Molly does 15% of her homework in study hall. If she spent 45 minutes on homework in stuffy hall, how much time in minutes dose she need to spend on homework altogether?

There are 36 female preformers in a dance recital. the ratio of men to women is 2:9 how many men are in the dance recital.

7,080 divided by 12 And (590x5) divided by 2

Si tengo 233333 cerdos y me quitan 16 cuantos quedan

Find the percent. explain your method 30%of 50

1.) A 2600 lb. car travelling downhill has a grade resistance of - 130 lbs. Find the angle of the grade to the nearest tenth of a degree. 2.) A car travelling on a 2.7 degree uphill grade has a grade resistance of 120 lbs.

A dealer paid 10000 for a boat at an auction. At the dealership, a salesperson sold the boat for 30% more than the auction price. The salesperson received a commission of 25% of the difference between the auction price and the dealership price.

Bill reads 1/5 of a book on Monday he reads 2/3 of a book on Tuesday if he finish reading the book on Wednesday what fraction of the book did he read on Wednesday

Adding and Subrtracting Fractions. Solve each problem. Write your answer as a mixed number (if possible) 5) 4 2/7 - 2 1/5 6) 5 7/8 + 11/4 7) 5/8 - 2/5 8) 16/5 + 2 1/2

Which of the following functions is quadratic? a. f (x) = 5/x-1 b. f (x) = 2^2 c. 7x (x+3) d. f (x) = 3 (4-x)

A bag contains 120 marbles. Some are red and the rest are black. There are 9 marbles for every black marble. How many red marbles are in the bag?