SOLUTION: Michelle is 8 years older than thomas. thomas is triple jane's age. Everyone's age combined is 57. How old is each person? Proper "let" statements included
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Question 756221: Michelle is 8 years older than thomas. thomas is triple jane's age. Everyone's age combined is 57. How old is each person? Proper "let" statements included Answer by ptaylor(2198) (Show Source):
You can put this solution on YOUR website! Let x=Jane's age
Then 3x=Thomas's age
and 3x+8=Michelle's age
Now we are told that if we add the three ages, we get 57, sooo:
x+3x+3x+8=57
7x+8=57 subtract 8 from each side
7x+8-8=57-8 collect like terms
7x=49
x=7---------------------Jane's age
3x=3*7=21-------------------Thomas's age
3x+8=21+8=29---------------Michelle's age
Hope this helps---ptaylor
