<PRE><B>Question 155566</B>
Mark is 3 years older than Jane. In 4 years, Mark will be 1.5 times as old as Jane. How old is Mark now?
0 solutions
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M = J + 3  (age difference now)
In 4 years,
M + 4 = 1.5*(J+4)
Substitute for M:
J+3+4 = 1.5*(J+4)
J+7 = 1.5J + 6
Multiply by 2
2J+14 = 3J + 12
J = 2
M = 5


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