Question

A faucet can fill 3 8 of a bath tub in 1 4 of a minute. Compute the unit rate by setting up a complex fraction and simplifying. A) 1 tub per minute B) 1 1 2 tubs per minute C) 2 1 2 tubs per minute D) 2 tubs per minute

Answer 1

The answer is B

Explanation:

3

8

1

4

=

8(

3

8

)

8(

1

4

)

=

3

2

= 1

1

2

Answer 2

B). 1 1/2 tubs per minute.

Explanation:

In 1/4 minute the faucet filling 3/8 of a bath.

So in 1 minute the rate of filling = 3/8 / 1/4

= 3/8 * 4

= 12/8

= 1 1/2 tubs per minute.