(a) If 41 people are on the elevator, and their total weight is 8200 pounds, what is their average weight? The average weight is pounds.

Q: According to a food website, the mean consumption of popcorn annually by Americans is 62 quarts. The…

A: Given: The mean consumption of popcorn annually by Americans is 62 quarts.  The marketing division…

Q: At 4pm​, Li rented bikes from​ Pearl's Wheels. She returned the bike at 8​pm, after riding 39…

A: a. Person L rented a bike at 4 pm and returned it at 8 pm after tiding 39 miles.

Q: A cookie recipe requires 3 3/4 cups of chocolate chips. If you make one third of the recipe, how…

A: 3 3/4 = 15/4 The question can be solved using unitary method.

Q: A cupcake truck carries 24 3/4 pounds of baked goods. At the first delivery they drop off half of…

A: Given: A cupcake truck carries 2434 pounds of baked goods. They drop off half of the baked goods.

Q: If fred rode for one-sixth of those four hours in the park, how many minutes would he have ridden in…

A: Solution : Given that fred rode for one-sixth of those four hours in the park 1 hour=60 minutes 4…

Q: At 2 pm​, Li rented  bikes from​ Pearl's Wheels. She returned the bike at 7 ​pm, after riding 46…

A:

Q: case of 115 count lemons cost $23.46. How much does each lemons cost?

A: Given query is to find the cost of each lemon.

Q: A farmer sells 1/3 of his cattle. If he sold 428 animals, how many heads of cattle did he have?

A:

Q: In 2019 there were 446,479 births in California and California had a population of 39,512,223. (a)…

A: a) 1 year = 365 days.

Q: In 2012, the Postal Service of a country A delivered 239,769,000,000 pieces of mail. In 2011, it…

A:

Q: what decimal makes 8 times to make 12

A: Decimal 12/ 8

Q: The population density of a village in South Africa is 2,000 people/100 mi2.  Which of the following…

A:

Q: Indiana's population has increased by 9.5% since 2000, when it was about 6 million people. What is…

A: In 2000 population of Indiana's be 6 million people. That is there are about  6,000,000 people  at…

Q: A store had a sale on mp3 players. At 9 A.M., the store had 150 mp3 players in stock. By 10 A.M.,…

A:

Q: A recent survey found that 79% of Americans use the Internet. If a city has a population of 76,000,…

A: Population of city, p=76,000 Percentage of population that uses internet is 79%.

Q: The Sherlock Holmes Detective Agency was hired to solve 15 mysteries last year. The detectives were…

A: Introduction: Fractions are very important in mathematics. If we take out y parts out of x, then, in…

Q: The movie, Avatar, earned $760 million in American theaters and $2.022 billion in foreign theaters.…

A: The earnings of the movie Avatar in America is $760 million. The earnings of Avatar in foreign…

Q: these activities. Check the solutions. 31) The high attendance at this year's Vacation Bible School…

A:

Q: If Sue eats 1/8 of a large cake, and Bill eats 2/4 of a small cake, who eats more cake?

A: Let large cake = 1 pound       Small cake = 1/2 pound Sue eats 1/8 of large cake. Bill eats 2/4 of a…

Q: A production lot of 25 units required 103.6 hours of effort. Accounting records show that the first…

A: Answers given belowExplanation:To find the learning rate, we can use the learning curve formula,…

Q: How many calories per day does a person who weighs 80 kilograms (approximately 176 pounds) need to…

A: Given, A person weighs 80 kilograms. To find how many calories per day a person needs: The function…

Q: a local government had an employee reduction and lost 1/5 of its employees . If 88 of its employees…

A:

Q: Jo is on the phone with a gardener who asks about the square feet of Jo's backyard. Jo counts 20…

A: Given, step counts for long is 20 and step counts for wide is 40. Each step is 3 feet.

Q: If there were 600 full-term babies born at a hospital in 2010, how many of them would you expect to…

A: If there were 600 full-term babies born at a hospital in 2010, how many of them would you expect to…

Q: Is the incidence of head or neck pain among video display terminal users related to the monitor…

A: Given that

Q: If the doctor's office uses 128 disposal thermometer covers each day, how many covers will be used…

A: Solution: Doctor office uses disposal thermometer covers each day=128

Q: You are installing a wood fence.  The fence is 120 feet long.  East wood slat to be installed…

A:

Q: f 264.000 swiss citizens are currently unemployed which equals 3.3% of the countries working force,…

A: If 3.3% of the working force equals 264,000 unemployed Swiss citizens, then we can calculate the…

Q: What is the cost of 1,750 feet of BX cable if it sells for $0.6823 per foot?

A:

Q: An infant has a body temperature of 36.5 degrees C(Celsius). How many degrees F(Fahrenheit) is this?

A:

Q: In 1960 Mexico’s population was approximately 35 million. By 2010, it had grown to approximately 112…

A: To calculate population density, you can use the formula:

Q: From a 24-foot roll of rubber hose, a person cuts length of 5(3/8) feet, 5(1/2) feet, and 6(1/4)…

A: Remark: We know that abc=ac+bc  Also, p-qr=pr-qr Given that length of the rubber hose is 24 foot.…

Q: If 1% of a shipment of 2000 light bulbs is defective, how many bulbs in the shipment are NOT…

A: Given, 1%  of a shipment of 2000 light bulbs is defective i.e, number of defective bulbs = 2000 *…

Q: One week in the midwest, 3.4 inches of snow fell on Monday, 0.6 inches on Tuesday, 2.2 inches on…

A: Let the amount of snow on Friday = x inches  So the total amount of snow=…

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.