7. Four-fifths of the senior class went to prom. If324 seniors went to prom, how many are therein the senior class?319. Lee filled up his gas tank before starting a roadtrip. If he has used 5.8 gallons two hours intothe trip, and has 12.4 gallons remaining, howmany gallons of gas did he start with?11. An electrician charges $30 for a service call,plus $75 per hour of service. If he charged$210, how many hours did he work?8. Mark used his debit card to buy groceries for$87 on Saturday and gas for $41 on Sunday. Ifhis bank account balance is now $542, what washis starting balance on Saturday?10. The area of a square is 225 square feet. Findthe side length of the square.13. Ariana plans to use $260 less than three-fourths of her savings to buy a car. If thepurchase price of the car is $9,340, how muchdoes she have in savings?12. To attend the football game, it costs $8 forparking plus $59 per ticket. If Bryan paid$362, how many tickets did he purchase?hoth numbers.14. A kite has four equal sides. If 5 inches isadded to each side, the new perimeter will be56 inches. Find the side length of the originalkite.Equations)roblerO Gina Wilson (All Things Algebra, LLC), 2016

Using given condition we can form a linear equation and hence find the required value.Note :…

Answered: 7. Four-fifths of the senior class went…

Math

Algebra

7. Four-fifths of the senior class went to prom. If 324 seniors went to prom, how many are there in the senior class?

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

See similar textbooks

Related questions

Q: A store is hiring 5 new stockers for their evening shift. 10 equally qualified students apply for…

A: Here we using the formula: The number of ways to select p people from a total of n people is:

Q: 3. Jasper has 600 total outfits combining shirts, pants, and shoes. Jasper owns 15 shirts and 10…

Q: A senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many…

Q: n consists of 10 albums, each containing 42 pages. How many stamps are in the total collection if 40…

A: Introduction: Different symbols are used in mathematics. One of the most common math symbols is the…

Q: It takes 1 bag of chocolate chips to make 72 cookies. How many bags does it take to make 18 dozen…

A: Given that it takes 1 bag of chocolate chips to make 72 cookies. To determine the number of bags…

Q: ts into 4 equal activit re in each group?

Q: 3. Suppose 1500 runners are in a race. How many ways could the runners finish in 1*, 2nd and 3rd…

Q: Ten athletes compete in a race. How many ways can they be awarded if only the first, second and…

A: there are 10 athletes compete in a race

Q: In a room with 10 people, everyone shakes hands with everybody else exactly once. How many…

A: Solution, If in a room ,10 people shake hands with each other…. 1st person will shake hand with 9…

Q: A survey of 100 people found that 75 carried a cell phone, 12 carried a tablet computer, and 8…

A: Use union and intersection forumula for sets to solve.

Q: In how many ways can 10 people be seated in 10 adjacent seats in a theater?

A: Given: In how many ways can 10 people be seated in 10 adjacent seats in a theater. We need to…

Q: 6. Carter has a large marble collection. Carter knows that he has exactly 20 blue marbles in his…

A: The task is to determine the population size givensample size and the total number of blue marbles…

Q: Seven people sit in a circle. How many ways can this be done if two people must sit together?

A: From the provided information, There are seven people sit in a circle from which two people must sit…

Q: 1. Among 200 people, 150 either swim or jog or both. If 85 swim and 60 swim and jog, how many jog?

Q: Out of forty students, 14 are taking English Composition and 29 are taking Chemistry. If five…

A: The number of all students, The number of students in chemistry only, The number of students in…

Q: There are 30 runners entered in this year’s Terre Haute Marathon race. How many different ways can…

A: Given: 30 runners have entered a Marathon race. Required: To find the number of different ways 30…

Q: In how many ways can 10 engineers be seated in a round table?

A: From the provided information, Total number of engineers = 10

Q: 8.) Madison is reading a novel on her Kindle. When she completes page 168, her Kindle says she has…

Q: Five-sevenths of the students at a nearby college live in dormitories. If 4000 students at the…

A: Given that: Five-seventh of the students nearby the college live in dormitories. The number of…

Q: license plates contain 3 letters followed by 4 digits. a. how many license plates are possible? b.…

Q: 2. Af East Middle School, 28% of the students are in the band. If 168 students are in the band, then…

Q: 39. How many ways can 12 students be seated around a circular table?

A: We need to find, in how many ways can 12 students be seated around a circular table.

Q: You are choosing 4 flavors of ice cream from a selection of 30 different flavors. How many choices…

A: Given that n = 30, r = 4 Find how many chances.

Q: Three hundred fifty 10-year olds registered for a city wide bowling tournaments if 205 participants…

A: In a tournament Total 10 years olds registered = 350

Q: In how many ways can 12 people occupy the circular table in a mini theatre

A: given, number of people can occupy the circular table in a mini theatre is 12

Q: A race has 16 runners. In how many ways can they finish in first, second, and third place? 48 560…

A: The objective of this question is to find out the number of ways in which 16 runners can finish in…

Q: rticipate in a competition. Calculate how many different ways the first, second and third can be…

A: The fundamental counting principle says that if n ways are there to complete one thing, and m ways…

Q: 4. Before the Sino-Japanese War, the National Tsing Hua University had a collection of 350,000…

Q: Sri and her father are piling logs at their backyard. The first layer has 15 logs, the fifth layer…

A: Given Data: Number of logs in the first layer a1=15 Number of logs in the first layer a5=7 Total…

Q: Assume that there are 325 million people in the United States. If 128,978 people died of a stroke in…

A: Total population = 325 million = 325000000Let x be the number of people who…

Q: If 120 more people showed up to Shakespeare in the Park than are here now, there would be 9 times as…

Q: 12. A stone mason uses 100,000 stones to build a giant fireplace in a hotel lobby. If he uses 14,976…

Q: How many ways are there in choosing 3 books from a shelf of ( 83 ) books ?

A: The number of way for choosing 3 books from a shelf of 83 books is C383 =83!3!×(83-3)!…

Question

7. Four-fifths of the senior class went to prom. If
324 seniors went to prom, how many are there
in the senior class?
31
9. Lee filled up his gas tank before starting a road
trip. If he has used 5.8 gallons two hours into
the trip, and has 12.4 gallons remaining, how
many gallons of gas did he start with?
11. An electrician charges $30 for a service call,
plus $75 per hour of service. If he charged
$210, how many hours did he work?
8. Mark used his debit card to buy groceries for
$87 on Saturday and gas for $41 on Sunday. If
his bank account balance is now $542, what was
his starting balance on Saturday?
10. The area of a square is 225 square feet. Find
the side length of the square.
13. Ariana plans to use $260 less than three-
fourths of her savings to buy a car. If the
purchase price of the car is $9,340, how much
does she have in savings?
12. To attend the football game, it costs $8 for
parking plus $59 per ticket. If Bryan paid
$362, how many tickets did he purchase?
hoth numbers.
14. A kite has four equal sides. If 5 inches is
added to each side, the new perimeter will be
56 inches. Find the side length of the original
kite.
Equations)
robler
O Gina Wilson (All Things Algebra, LLC), 2016

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Explain the concept

VIEW

Step 2: Find the number of students

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

If eight men can cut twenty-eight trees in a day, how many trees can twenty mean cut in a week?
7. If 5 gargs make a quag, and 3 flims make a quag, how many gargs is 38 flim?
In how many ways can 8 books be placed on 8 shelves?
A doctor visits her patients during morning rounds. In how many ways can the doctor visit 8 patients during the morning rounds?
Given 0, 2, 3, 4, 4, 5, 8, how many even numbers greater than 5 million can be created?
4. When the merchants in the annual Math Department Parade lined up 4 abreast, there was 1 odd person, when they tried 5 in a line, there were 2 left over; and when 7 abreast, there were 3 left over. How large is the Department?
1. Once a month, a man puts some money in a cookie jar. During the 1st month he has P10.50 and each month he adds P0.50 more into the jar. How much money was placed in the jar during the last month of the 4th year?2. The seats in a theater are arranged so that there are 70 seats in the 1st row, 72 seats in the 2nd row and so on for 30 rows altogether. How many seats in all are there in the theater?
Between 195 and 205 tails in 400 tosses of a coin.
42. A certain restaurant prepared meals during the pandemic for the first-responders. If they prepared 4 spaghetti meals for every 7 meat meals, how many meat meals were there if there were 385 meals prepared?
24. How many different sums of money can be formed from one S2 bill, three $5 bills, two $10 bills, and one $20 bill?
3. A shop sells five different icecreams. A child is allowed to buy three scoops of icecreams. How many variations of icecreams will there be, if repetition is allowed?