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11-12-2020
Mathematics

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19/258 = 21/?

help pls

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abidemiokin abidemiokin

17-12-2020

Answer:

285.15

Step-by-step explanation:

Given the expression;

19/258 = 21/x

We are to find the unknown value x;

Cross multiply;

19 * x = 258 * 21

19x = 5418

Divide both sides by 19;

19x/19 = 5418/19

x = 285.15

Hence the unknown value is 285.15

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