Mathematics, 19.12.2020 14:00 angelinaranee15

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?

it took jake 28 minutes to run 5km last months. this month he ran 5km in 21 minutes. by what percen

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it took jake 28 minutes to run 5km last months. this month he ran 5km in 21 minutes. by what percent...

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