Question

It takes Zach 15 minutes to walk 7 1/2 blocks to the swimming pool. At this rate, how many blocks can he walk in one minute? Circle the letter of the correct answer.

Dee chose c as the correct answer. What was her error?

What was her error?

Answer 1

Zach can walk 1/2 of a block in one minute.

Step-by-step explanation:

To find how many blocks Zach can walk in one minute, we need to divide the total number of blocks he can walk by the amount of time it takes him. Zach can walk 7 1/2 blocks in 15 minutes. To find the number of blocks he can walk in one minute, we divide 7 1/2 by 15.

7 1/2 ÷ 15 = 1/2.

So, Zach can walk 1/2 of a block in one minute. The correct answer is