After 20 mins Juan had completed 12 questions which is .7 of his assignments. What percent of the assignment had Juan not completed?

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01-03-2017
Mathematics

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After 20 mins Juan had completed 12 questions which is .7 of his assignments. What percent of the assignment had Juan not completed?

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smorin52 smorin52 · Answer 1 · 2017-03-01T19:07:10+01:00

smorin52 smorin52

01-03-2017

All you gotta do is multiply .7 by 100 which gives you 70
so subtract 70 from 100 which is 30
he had not completed 30% of his assignment

hope this helped :)

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toriiboo toriiboo · Answer 2 · 2017-03-01T19:09:21+01:00

toriiboo toriiboo

01-03-2017

well, if 0.7= 70 %
100- 70= 30

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