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Blizzard [7]
3 years ago
10

It took Marty 42 minutes to write a book report.Then he spent 18 minutes correcting his report.Explain how you can use mental ma

th to find how lonc Marty spent on his book report.
Mathematics
1 answer:
sladkih [1.3K]3 years ago
5 0
Take the 2 from 42 and add that to 18 so now u have 40 plus twenty which is of course 60
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