John is 42 years old now and tom is 32 years old. how many years ago was John three times as old as Tom
A)7
B)17
C)27
D)30
E)None of these
Thanks
A)7
B)17
C)27
D)30
E)None of these
Thanks
J = 42rzali wrote:John is 42 years old now and tom is 32 years old. how many years ago was John three times as old as Tom
A)7
B)17
C)27
D)30
E)None of these
Thanks
T = 32
X years ago J will be J-X, Time will be T-X
J-X = 3(T-X)
42-x = 3(32-x)
42-x = 96-3x
2x = 54
x=27
pick C
