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## Percent of Quantity - Sample Math Practice Problems

The math problems below can be generated by MathScore.com, a math practice program for schools and individual families. References to complexity and mode refer to the overall difficulty of the problems as they appear in the main program. In the main program, all problems are automatically graded and the difficulty adapts dynamically based on performance. Answers to these sample questions appear at the bottom of the page. This page does not grade your responses.

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### Complexity=1, Mode=percentOf

Solve.

 1.   What is 200% of 16? 2.   What is 125% of 96?

### Complexity=1, Mode=percent

Solve.

 1.   What percent is 30 of 75? % 2.   What percent is 26 of 325? %

### Complexity=1, Mode=quantity

Solve.

 1.   1 is 20% of what number? 2.   6 is 5% of what number?

### Complexity=1

Solve.

 1.   91 is what percent of 1300? % 2.   Find 90% of 240.

### Complexity=1, Mode=percentOf

Solve.

1What is 200% of 16?
Solution
200% of anything is twice itself.
This means 200% of 16 is 32.
2What is 125% of 96?
Solution
Solve by converting the percent into a decimal.
125% = 1.25
125% of 96 = (1.25)(96) = 120

Alternate Solution
Solve by converting the percent into a fraction.
125% = 125
100
=
 54
125% of 96 =
 54
•  96 = 120

### Complexity=1, Mode=percent

Solve.

1What percent is 30 of 75? %
Solution
Let p be the percent.
 p100 = 3075
 75p = (30)(100) p = 40
2What percent is 26 of 325? %
Solution
Let p be the percent.
 p100 = 26325
 325p = (26)(100) p = 8

### Complexity=1, Mode=quantity

Solve.

11 is 20% of what number?
Solution
Convert the percent to either a fraction or decimal and solve.
 20% = 20100 = 0.2

Let n be the number.
 = 20n = (1)(100) n = 5
OR
 0.2 = n = = 5
26 is 5% of what number?
Solution
Convert the percent to either a fraction or decimal and solve.
 5% = 5100 = 0.05

Let n be the number.
 = 5n = (6)(100) n = 120
OR
 0.05 = n = = 120

### Complexity=1

Solve.

191 is what percent of 1300? %
Solution
Let p be the percent.
 p100 = 911300
 1300p = (91)(100) p = 7
2Find 90% of 240.
Solution
Solve by converting the percent into a decimal.
90% = 0.9
90% of 240 = (0.9)(240) = 216

Alternate Solution
Solve by converting the percent into a fraction.
90% = 90
100
=
 910
90% of 240 =
 910
•  240 = 216