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On Jason's homework sheet he completed 12 problems on Monday, 17 on Tuesday, and 21 on Wednesday. When his teacher checked his work, we got 5 problems wrong. How many problems in all did he get right?
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3 votes
On Jason's homework sheet he completed 12 problems on Monday, 17 on Tuesday, and 21 on Wednesday. When his teacher checked his work, we got 5 problems wrong. How many problems in all did he get right?

User Mbtamuli
by
8.7k points

2 Answers

3 votes
First add all of the numbers together and take away 5 so 12+17+21= 50
User Polina
by
8.3k points
4 votes
12 + 17 + 21 = 50 problems total
5 wrong so subtract 5
50-5 = 45
So he got 45 questions right
User Rueta
by
7.7k points
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