Question

it took jake 28 minutes to run 5km last months. this month he ran 5km in 21 minutes. by what percentage had jake improve his running time?

Answer 1

7

Explanation:

Okay so, 28-21 =07 right

7 as a percent is 700% and the limit is 100%

so 700%/100%= 7

Answer 2

25%

Explanation:

28-21=7

7/28=×/100

7×100=700

700÷28=25