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Nina is 10 years younger than Deepak. Deepak is 3 times as old as Nina. Which system of equations can be used to find d, Deepak's age, and n, Nina's age?
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Nina is 10 years younger than Deepak. Deepak is 3 times as old as Nina. Which system of equations can be used to find d, Deepak's age, and n, Nina's age?

User Ksogor
by
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2 Answers

3 votes

Answer:

The answer would be: A. d = n + 10 d = 3n

User Gurwinder Singh
by
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3 votes
n = Nina's age
d = Deepak's age

n = d - 10 -----> Since n is 10 less than d, we take 10 away from d
d = 3n -----> Since d is 3 times older than n, we times n by 3

User Acron
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