Question

Two fifth of one fourth of of three seventh of a number is 15 half of the number is

Answer 1

The half of the number is 175.

Step-by-step explanation:

Let the number be x.

The expression is:

$\frac{2}{5}\times [\frac{1}{4}\times (\frac{3}{7}\times x)]=15$

Compute the value of x as follows:

$\frac{2}{5}\times [\frac{1}{4}\times (\frac{3}{7}\times x)]=15$

$\frac{2}{5}\times \frac{1}{4}\times \frac{3}{7}\times x=15$

$\frac{3}{70}\times x =15$

$x=\frac{15\times 70}{3}$

$x=350$

The half of x is 175.

Thus, the half of the number is 175.