SOLUTION: Jack is now 14 years older than Jill. If in 10 years Jack will be twice as old as Jill, how many years old will Jack be in 5 years?
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Question 634559: Jack is now 14 years older than Jill. If in 10 years Jack will be twice as old as Jill, how many years old will Jack be in 5 years?
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!
Let x=Jill's age now; x+10=Jill's age 10 years from now
Then x+14=Jack's age now; x+24=Jack's age 10 years from now
Now we are told that:
x+24=2(x+10) simplify
x+24=2x+20 subtract x and also 20 from each side
x=4---Jill's age now
x+14=18 Jack's age now
Then in 5 years Jack will be 18+5=23 years old
Hope this helps----ptaylor
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