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16. John has spent 4 hours on his homework and estimates that he has completed 1/7 of his homework assignment.

How many more hours does he need to spend on his homework?​

User Dongdong
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1 Answer

4 votes
the answer is 24 (proof in picture below)
16. John has spent 4 hours on his homework and estimates that he has completed 1/7 of-example-1
User Ilja Zverev
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