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Ksju [112]
3 years ago
13

Find x . a.21.4 b. 15.1 c. 32.7 d. 29.2

Mathematics
1 answer:
Alex73 [517]3 years ago
8 0

So this is going to be using proportions, which in this case is going to be \frac{18}{21} =\frac{25}{x}


Firstly, cross-multiply to get 18x=525


Next, just divide 18 on both sides, and your answer will be x=29.2 , or the last option.

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where  

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