Question

Two-fifths of one-third of three-sevenths of a number is 15. Then 40% of that number is

Answer 1

Answer:

HOPE THIS THE RIGHT SOLUTION TO YOUR QUESTION..

Answer 2

Answer:

Let the unknown number be x

then..

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

$\frac{6}{105}x$ = 15

6x = 15x105

6x = 1575

x = 1575/6

  = 262.5

40% of 262.5

=40/100 x 262.5

=$\frac{2}{5}$ x 262.5

=2x 52.5

=105