j = 3g
j = 4b
g = 8
Now just find b:
j = 3*8 = 24
24 = 4b
b = 6
Jack's age is 3 times more than his younger cousin, Gabby's age and 4 times more than his younger brother's. If Jack's younger cousin's age is 8, how old is his younger brother?
1 answer