SOLUTION: Jack's dad is 40 years old. Jack is 14 years old. How old will each of them be when his dad is twice as old as Jack

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Question 273450: Jack's dad is 40 years old. Jack is 14 years old. How old will each of them be when his dad is twice as old as Jack
Found 2 solutions by JBarnum, solver91311:
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
40+x=dads age at double jacks age, and 14+x is how old jack will be when dad is double his age. x is howmany years added.
40%2Bx=2%2814%2Bx%29
40%2Bx=%2828%2B2x%29 minus 28 and x from both sides
12=x%29
Dad will be highlight%2852%29
jake will be highlight%2826%29

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the number of years between now and the time that Dad is twice as old as Jack, then:



is the age Dad will be and



is the age Jack will be and these two ages are related thus:



Solve for and then add that amount to each of their ages.


John