Thirty copies of a textbook weigh a total of 75 lb. What is the weigh of each book?

To convert a distance of 4500 yards to miles, which ratio could you multiply by

To make 112112 dozen muffins, a recipe uses 312312 cups of flour. How many cups of flour are needed for every dozen muffins made?

According to a study of 200 samples of ground meats, the probability that one of the samples was contaminated by salmonella was. 35.

Tony plans to save 20 nickels each week from his allowance. A nickel weighs 5 grams. How many kilograms of nickels will Tony save in 10 weeks

There are 4 students in a small class. To make a team, the names of 2 of them will be drawn from a hat. How many different teams of 2nstudents are possible?

Danny's 7 friends contributed an equal amount of money to buy him a birthday present. The present cost $84. How much money did each friend contribute?

How much will a saver earn in 10 years on a $100 deposit that earns 5% compound interest (compound annually) ?

Distributive property: Example: 6 (2x - 3) = 12x - 18 "Combine like terms" means 3x + 4x = 7x. But we cannot add 3x + 4. Simplify, don't solve for x, just simplify, write it with only one x and no parenthesis: 2 (4x - 1) + 3x =

What is a number greater than 40 whose prime factorization contains 3 prie numbers that do not repeat

What is the constant rate of change of y=7-13x