The sum of two numbers is 87. Their difference is 13. What value is the second number?

Q: A bus leaves Santiago heading for Buenos Aires. It takes 21 hours to make the trip which is 1,400…

A: A bus leaves Santiago heading for Buenos Aires. It takes 21 hours to make the trip which is 1,400…

Q: Sue receives $7$7 per hour when she works at the book store. Last week she earned $259$259. How…

A: Given that Sue receive $7 per hour. And last week she earned $259. We have to find the number of…

Q: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

A: Tomas earns $28 each time he mows the lawn for a neighbor. Tomas mowed 39 lawns in the month of…

Q: Brad mows of his lawn in of an hour. If Brad's rate stays the same, how much of his lawn was mowed…

A: Brad mows 5/8 lawn  in 2/3 hours So Brad mows at a rate r. r=5/8 ÷ 2/3 r= 15/16 lawn / hour

Q: How many gallons of paint will you have to purchase to cover 5,500 square feet of a surface if 2…

A:

Q: Chris used 1 1/2 gallons of gas on Saturday and 3 1/3 gallons of gas on Sunday. How many gallons did…

A:

Q: the top three women in the 2002 wnba playoffs scored a total of 360 points. the leader scored 13 and…

A: Let Leader scored = x points Other two scorer = x-13, x-14 Total points = x+x-13+x-14…

Q: chairs and 3 tables cost 2100 and 5 chairs

A:

Q: Shan exercises daily. Today he did 85 pushups, which is 20 more than he usually does. How many…

A: Let, Shan exercises daily be x.

Q: Randy used 92 sticks to build a model. Bryan used 3 times as many sticks. Complete the bar diagram…

A: The objective of the question is to find out how many sticks Bryan used to build his model and how…

Q: JA church group goes to the movies every Friday night. Last week, they bought 20 adult tickets and…

A: At first we create the equation from the given condition and then solve it

Q: Linda bought an 8 foot long piece of framing to frame her 2 college awards. One award is 8.5 inches…

A: Linda bought an 8 foot long piece of framing to frame her 2 college awards. One award is 8.5 inches…

Q: A submarine desecends-3.5 per minute. How far will the submarine descend in 8 minutes How do you…

A: A submarine desecends-3.5 per minute. How far will the submarine descend in 8 minutes How do you…

Q: A student has 52 coins in his pocket for a total value of 211 dollar. How many five dollars coins…

A: Total number of coins in hand is 52. Total amount in hand is $211.

Q: Maria saves all her nickels and dimes in a jar on her desk. When she counts her money, she finds…

A:

Q: ali had 876 red,blue and yellow toy cars. He had 3 times as many yellow toy cars as blue toy…

A: According to the provided information, ali had 876 red,blue and yellow toy cars. R+B+Y=876 He had 3…

Q: Miranda's Maid Service charges $294 to clean 6 offices. What is the company's price for cleaning a…

A: Given info: Miranda's Maid service charges $294 to clean 6 offices.

Q: Last month, Jonah sent sixteen more than onethird the number of text messages that his frieno Connor…

A: NOTE: Refresh your page if you can't see any equations. . x=number of messages sent by Connor…

Q: The difference between two whole numbers is 315. Their quotient is 41 and the remainder is 35.…

A: Given query is to find indicated number.

Q: Bob used 420 cups of water to make tea during the first week. During the second week, Bob used 87…

A: According to given question ,         Bob used 420 cups of water to make tea during first week and…

Q: Jamaal washes 25 dishes per hour and works for 3 hours.Daniel can wash 22 dishes every two hours.…

A: Given : Jamaal washes 25 dishes per hour and works for 3 hours.Daniel can wash 22 dishes every two…

Q: Nathan, jonah,curtis,and max are all a year apart in age with Nathan being the youngest. The sum of…

A:

Q: Olivia is 1.38 meters tall. She is 29 centimeters taller than her younger brother Donald. What is…

A: We have given  Height of Olivia =1.38 meters  As 1 meter =100 centimeters  1.38 meters =1.38×100…

Q: A restaurant offers delivery for their pizzas and includes the delivery fee in the total price of…

A:

Q: 40 miles in 16 hours. Ho

A: Introduction: The division is a basic arithmetic operation in which a larger number is divided into…

Q: Six less than two times a number results in 18

A: Given, Six less than two times a number results in 18

Q: Joe can ride his bike 26 miles in 3.24 hours. How many pages does he ride in 1 hour?

A: GivenJoe can ride his bike 26 miles in 3.24 hours

Q: 70 is the difference if Raj's height and 23

A:

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.