Question 1171636
Merl's age now = M
Ali's age now = 2M
<pr>
2M - 4 = 3(M - 4)
<pr>
2M - 4 = 3M - 12
<pr>
-M = -8
<pr>
M = 8
<pr>
Merl's age now = M = <b>8</b>
Ali's age now = 2M = 2(8) = <b>16</b>