SOLUTION: David is n years old and his twin sisters are two years younger. Find the sum of his sisters ages in years

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Question 1143926: David is n years old and his twin sisters are two years younger. Find the sum of his sisters ages in years

Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.

Double check your post.

As posted, it doesn't make sense.



Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
David is n years old and his twin sisters are two years younger. Find the sum of his sisters ages in years
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D = David's age, n
S = Sister's ages, = n-2
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Sum = 2*(n-2) years
Sum = 2n-4 years