SOLUTION: teresa is 3x older than her sister ann. if ann is 8 years old now find teresa's age when ann is 15 years old by completing and simplifying the expression 15 - ____ + (3 x ___).plea
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Question 979455: teresa is 3x older than her sister ann. if ann is 8 years old now find teresa's age when ann is 15 years old by completing and simplifying the expression 15 - ____ + (3 x ___).please help with a little explanation.thanks in advance.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
t, Teresa
a, Ann
, Teresa's age now.
x, how many years until Ann is .
Teresa will be .
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Their ages NOW should first be found, and then the ages in the future can then be examined and that future time quantity found.
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