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Rebecca has 21 math problems to solve. She has solved 2-7 of them. How many problems has she solved?

Rebecca has 21 math problems to solve. She has solved 2-7 of them. How many problems has she solved?
asked 97.2k views
4 votes
Rebecca has 21 math problems to solve. She has solved 2-7 of them. How many problems has she solved?

asked
User Stoycho Andreev
by
8.6k points

1 Answer

2 votes
Rebecca has 21 math problems


She has solved none....
2-7=-5

You cannot solve negative five problems

Answer: 0


answered
User SeanKelleyx
by
8.3k points
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