yslegend yslegend

14-12-2017
Mathematics

contestada

Jessica completed 21 math problems in 14 minutes. At this rate, how many math problems could she complete in 30 minutes?

Respuesta :

gbergeron23 gbergeron23

14-12-2017

To do this problem, you need to find how many questions per minute she can do. You would need to do 21 divided by 14. Which equals 1.5 questions per minute. From there you would do 1.5 times 30 and get 45.

So she can get 45 questions in 30 minutes.

Hope that helps!!

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