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For 7 hours study, she scored a 75 so if she made 93 how many hours would she need to study?

Result

x = 8:41 h Wrong answer

Solution:

x=93⋅ 7/75=21725=8.68=8:41 hx=93 \cdot \ 7/75=\dfrac{ 217 }{ 25 }=8.68=8:41 \ \text{h}

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