SOLUTION: seven year from now , i will be twice as old as i was one year ago. how old am i now.
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Question 189829: seven year from now , i will be twice as old as i was one year ago. how old am i now.
Found 2 solutions by edjones, solver91311:
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Let n=age now
n+7=2(n-1)
n+7=2n-2
-n=-9
n=9
.
Ed
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let x be your age now. Then x + 7 is your age 7 years from now and x - 1 is your age one year ago. Twice as old as you were one year ago is 2(x - 1). So:
)
Solve for x to get your answer.
John
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