Question

14. Two numbers are in the ratio 3:5. If their difference is 12, what are the
number?​

Answer 1

Resposta:

The number is 18:30.

Explicação passo a passo:

Ratio:

x/y = 3/5

x = 3y/5

Difference:

y - x  = 12

y - 3y/5 = 12

2/5y  = 12

y = 12 · 5/2

y = 30

y - x = 12

x = y - 12

x = 30 - 12

x = 18