Mastering Percent Problems with Proportions

What is the setup used to translate sentences into proportions?

• of over is equals 100 over percent

• is over of equals percent over 100

• is over percent equals of over 100

• percent over is equals 100 over of

How do you convert 40% to a decimal?

• Move the decimal two places to the right

• Move the decimal one place to the left

• Move the decimal two places to the left

• Move the decimal one place to the right

What is 40% as a fraction?

• 3/5

• 1/4

• 2/5

• 4/10

What is 25% of 80?

• 15

• 20

• 30

• 25

In the proportion x/80 = 25/100, what does x represent?

• The percent

• The base number

• The part of the whole

• The total

15 is what percent of 75?

• 10%

• 25%

• 15%

• 20%

In the proportion 15/75 = x/100, what does x represent?

• The base number

• The total

• The part of the whole

• The percent

73 is 5% of what number?

• 1400

• 1460

• 1500

• 1350

20% of what number is 9?

• 40

• 45

• 50

• 55

In the proportion 9/x = 20/100, what does x represent?

• The part of the whole

• The base number

• The percent

• The total