SOLUTION: Teresa is three times older than her sister Anne. If Anne is 8 years old now, how old is Teresa when Anne is 15 years old.

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Question 1040845: Teresa is three times older than her sister Anne. If Anne is 8 years old now, how old is Teresa when Anne is 15 years old.
Found 2 solutions by jorel555, Alan3354:
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
If Anne is 8, Teresa is 24. In 7 years Anne will be 15, and Teresa will be 31 ☺☺☺☺

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Teresa is three times older than her sister Anne. If Anne is 8 years old now, how old is Teresa when Anne is 15 years old.
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1 time older = 2x as old
2 times older = 3x as old
3 times older = 4x as old
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A = 8
T = 32
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15 - 8 = 7
32 + 7 = 39
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People without a good grasp of English should not write math problems in English.