Operations with Fractions

Practice Questions

PSAT Math › Operations with Fractions

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1

The price of a computer is reduced by 1/8. The new price is then reduced by 1/6. What fraction of the original price is the current price?

2

If x = 1/3 and y = 1/2, find the value of 2_x_ + 3_y_.

3

In a group of 20 children, 25% are girls. How many boys are there?

4

If a car travels at 30 mph, how many feet per second does travel?

5

If a car travels at 30 mph, how many feet per second does travel?

6

In a group of 20 children, 25% are girls. How many boys are there?

7

The price of a computer is reduced by 1/8. The new price is then reduced by 1/6. What fraction of the original price is the current price?

8

If x = 1/3 and y = 1/2, find the value of 2_x_ + 3_y_.

9

Define an operation as follows:

For all real numbers ,

.

Evaluate .

10

Define an operation as follows:

For all real numbers ,

.

Evaluate .

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