SOLUTION: 7. At some point during the lives of you and the youngest person, your age will be three times his/her age at that moment. Write an equation which models how old in years each of

Question 513080: 7. At some point during the lives of you and the youngest person, your age will be three times his/her age at that moment. Write an equation which models how old in years each of you will be when you are three times as old as the younger person.
ages are 58
younger person 11
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!
Let x=number of years that elapses until I am 3 times the age of the youngest
Then 58+x=my age at that time
And 11+x=age of the youngest at that time
Sooooo:
58+x=3(11+x)
58+x=33+3x
58-33=2x
25=2x
x=12.5 years
58+x=58+12.5=70.5 -----my age when I am 3 time the age of the youngest
11+x=11+12.5=23.5------the youngest's age at that time
CK
3*23.5=70.5
70.5=70.5
Hope this helps

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