Solving Percents with Proportions

What fraction is equivalent to 70%?

• 7/10

• 7/1

• 2/5

• 4/5

A company announces that

it will be giving 15% of its

profits to charity. If the

company profits $32,000,

how much money will it give

to charity?

• $3000

• $4300

• $4800

• $2300

There were 100 bananas at HEB. Ms. Alvarez purchased 55 of the 100. What percentage of bananas did she buy?

What percent of the squares in the model

are NOT shaded?

• 30%

• 70%

• 50%

• 35%

What number is 20% of 102?

• 204

• 122.4

• 20.4

• 20

If 50 is 25% of a number, what is the number?

• 200

• 100

• 150

• 250

Answer explanation

To find the number, divide 50 by 25% (or 0.25). 50 ÷ 0.25 = 200. Therefore, the number is 200.

Solve using the percent proportion: 
38% of 81 is what number?

• 33.81

• 30.78

• 31.2

• 38.81

What are the missing two parts that would complete this proportion?

• part, 100

• total, 100

• 100

• I don't know

If 8 is 40% of a number, what is the number?

• 20

• 10

• 15

• 25

Answer explanation

To find the number, divide 8 by 0.40 (40%). 8 ÷ 0.40 = 20. Therefore, the number is 20.

Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "Part and Whole"?

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