SOLUTION: Ali is now 7times as old as ahmed. If 10 years from now, he will be 3,times as old as ahmed, how old is ali now?

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Question 975719: Ali is now 7times as old as ahmed. If 10 years from now, he will be 3,times as old as ahmed, how old is ali now?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
X=7Y
.
.
.
X%2B10=3%28Y%2B10%29
X%2B10=3Y%2B30
Substituting from above,
7Y%2B10=3Y%2B30
4Y=20
Y=5
.
.
X=7%285%29
X=35
Ali is 35 and Ahmed is 5.