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Mark solved 18 out of 20 problems correctly on his math quiz. What percent of the problems were correct?
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Mark solved 18 out of 20 problems correctly on his math quiz. What percent of the problems were correct?

User Martin Gunia
by
6.2k points

1 Answer

1 vote
90%

18/2= 9
20/2= 10

9/10
User Foxxtrot
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