Use a proportion to determine the number of children age 5 in a kindergarten class if 80% of a class of 20 children are that age.

A. x=100

B. x=75

C. x=40

D. x=15

E. x=16

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage?

You randomly draw a marble from a bag of marbles that contains 3 blue marbles, 4 green marbles, and 5 red marbles. What is P (draw a blue marble) ?

A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test. Each adult bike requires 6 hours to build and 4 hours to test.

What is the simplified form of each expression? 3-3: (-2)

215% of what is 89.87

The incorrect work of a student to solve an equation 2 (y + 8) = 4y is shown below: Step 1: 2 (y + 8) = 4y Step 2: 2y + 10 = 4y Step 3: 2y = 10 Step 4: y = 5 Which of the following explains how to correct Step 2 and shows the correct value of y?

How do I solve 12.92 divided by 3.4

A rectangular prism has a length of 16 feet, a width of 9 feet, and a height of 8 feet. Find the volume of the prism.

William has 8 1/4 cups of fruit juice. If he divides the juice into 3/4 cup servings, how many servings will he have?

Leo bought 6 chew toys for his new puppy each chew toy cost $4 how much did Leo spend for the chew toys