Question

{(3/7)3}7÷{(3/4)4}5=?​

Answer 1

Answer:

$\left(\left(\frac{3}{7}\right)3\right)7\div \left(\left(\frac{3}{4}\right)4\right)5\:\\\\= \left(\left(\frac{3}{7}\right)\cdot \:3\right)\cdot \:7\div \left(\left(\frac{3}{4}\right)\cdot \:4\right)\cdot \:5\\\\= \frac{9}{7}\cdot \:7\div \left(\left(\frac{3}{4}\right)\cdot \:4\right)\cdot \:5\\\\= \frac{9}{7}\cdot \:7\div \:3\cdot \:5\\\\= 15$

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