Question

When Amber does her math homework, she finishes 10 problems every 7 minutes. How long will it take for her to complete 35 problems?(redo, I need good explanation and the steps to the answer)

Answer 1

24 1/2 minutes

Explanation:

10 problems in 7 minutes

5 problems in 3 1/2 minutes

multiply 5 × 7 (5×7 = 35) to get 35

multiply (or add) 3 1/2 minutes times 7 (or add it together 7 times

Answer 2

24.5 minutes.

Explanation:

10 / 7 = 35 / x

7 x 35 = 245

245 = 10x

245/10 = 24.5

Feel free to let me know if you need more help. :)