Question

A= b+6
After 12 yrs
A=5/4 of b​

Answer 1

Answer:

30

Step-by-step explanation:

if A=b+6

then b=A-6

A=5/4b

A=5/4*(A-6)

so, A=5/4A-(6*5) /4

-1/4A=-6*5/4

A=30