Question

Si: a/b=4/5 ; a+b=27
Hallar a.b

Answer 1

Explicación paso a paso:

A/b = 4/5 = 4k/5k

A+b =27

4k+5k=27

9k=27

K=3

A=3*4=12

B=3*5=15

A*b=12*15=180