Question

a/b = 8/7, si a+b = 30​

Answer 1

Respuesta:

a = 16

b = 14

Explicación paso a paso:

$\frac{a}{b} = \frac{8}{7} .\frac{k}{k} = \frac{8k}{7k}$

Si nos dicen que...

a + b = 30

8k + 7k = 30

15k = 30

k = 2

Entonces...

a = 8k = 8(2) = 16

b = 7k = 7(2) = 14