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leva [86]
3 years ago
13

Joe work 21 hours on his class project. He worked 3 times as long is Marie did. How long did Marie work on a project? Translate

and solve the equation
Mathematics
2 answers:
kompoz [17]3 years ago
8 0
Divide 21 by 3 and you will get 7

m=21/3
MAXImum [283]3 years ago
7 0
The answer is 21 ÷ 3 = 7 hrs
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