Question

Std 08 chapter 08
9/15 = ___/20

Answer 1

Answer:

let , 9/15=x/20

=> 15x=20*9

=> x=20*9/15=12

so, 9/15=12/20

Answer 2

Let the unknown number be y

then,

$\frac{9}{15} = \frac{y}{20}$

$180 = 15y$

$y = \frac{180}{15}$

$y = 12$

The Unknown number is 12 .