Question

If 70% of2/5 of a number is 126,what is that number?

Answer 1

this is how your question is solved just as seen in the image
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Answer 2

Define x:

Let the number be x

Solve x:

$70\% \text { of } \dfrac{2}{5} \text { of } x = 126$

$70\% \text { of } \dfrac{2}{5} x = 126$

$\dfrac{70}{100} \times \dfrac{2}{5} x = 126$

$\dfrac{70 \times 2}{100 \times 5}x = 126$

$\dfrac{140}{500}x = 126$

$\dfrac{7}{25}x = 126$

$x = 126 \div \dfrac{7}{25}$

$x = 126 \times \dfrac{25}{7}$

$x = 450$