Question

The sum of two numbers is $405$ and their ratio is $8:7$. Find the numbers.

Answer 1

Sum of 2 number is $405$

$8:7$ ratio

$8x+7x=405$

$15x=405$

$x=405/15=27$

First number = $8x=8\times 27=216$

Second number = $7x=7\times 27=189$