Question

What should be multiplied to 9/4
to get 3/10 ?


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Answer 1

☆ Solution

$\frac{ - 3}{4} \times a \\ a = \frac{2}{3} \times \frac {4}{ - 3} \\ a = - \frac{ - 8}{9}$

So

$\frac{ - 3}{4} must \: be \: multiplied \: by \: \frac{8}{9} to \: get \: \frac{2}{3}$