SOLUTION: Could you set up this word problem please? Then I will solve it.
Derek is four times as old as Sarah. Three years ago the sum of their ages was 44. How old is each now?
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Derek is four times as old as Sarah. Three years ago the sum of their ages was 44. How old is each now?
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Question 285950: Could you set up this word problem please? Then I will solve it.
Derek is four times as old as Sarah. Three years ago the sum of their ages was 44. How old is each now? Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! d = Derek's age
s = Sarah's age
d = 4s :: Derek is 4 times as old as Sarah
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3 years ago...
Derek's age = d-3
Sarah's age = s-3
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The sum of their ages was 44...
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(d-3)+(s-3) = 44
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Substitute d = 4s...
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(4s-3) + (s-3) = 44
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And there you go...
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