After Jackson plays for 9 min his mom tells him he has used up 30% of his time. How many more min can he play?

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09-01-2015
Mathematics

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After Jackson plays for 9 min his mom tells him he has used up 30% of his time. How many more min can he play?

Sagot :

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NekoKeying NekoKeying · Answer 1 · 2015-01-09T19:05:13-05:00

NekoKeying NekoKeying

09-01-2015

You can use this method: part = percent •whole.
Your percent is .30 and your part is 9.
9=.3x
You now divide 9 by .3 which is 30. His total time is 30 minutes. Now you need to subtract how many minutes be played already from his total play time. 30 - 9 would be 21. He has 21 more minutes to play.

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After Jackson plays for 9 min his mom tells him he has used up 30% of his time. How many more min can he play?

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