Question

If 90 percent of x is 315km then the value of x

Answer 1

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$\bf \: 90 \% \: of \: x \: = \: 315$

$\bf \: \frac{90}{100} \: \times \: x \: = \: 315$

$\bf \: \frac{900x}{100} \: = \: 315$

$\bf \: x \: = \: \cancel{ 315} \: \times \: \frac{10 \cancel0}{ \cancel9 \cancel0}$

$\bf \: x \: = \: 350$

Answer 2

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