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Olin [163]
3 years ago
5

(7/8)(?)=21 please help!

Mathematics
2 answers:
alukav5142 [94]3 years ago
6 0
7/8 x = 21
7x = 21×8
7x = 168
x = 24
Inessa05 [86]3 years ago
6 0
Let's let the question mark be represented by x. We get the equation \frac{7}{8}x=21. We need to solve for x, and we can do that by first multiplying the reciprocal of \frac{7}{8}, which is \frac{8}{7}. When we multiply and simplify, we get that x=24. Therefore, the value of the question mark that makes the equation \frac{7}{8}?=21 true is \boxed{24}.

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