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Devaughn's age is three times Sydney's age. The sum of their ages is 100. What is Sydney's age?

Solution

Devaughn's age is three times Sydney's age. The sum of their ages is 100. What is Sydney's age?

Solution

Sydney^{'} s age is : 25

Solution steps

Translate the problem into an equation:

3 x + x = 100

Solve for

x, 3 x + x = 100 : x = 25

Sydney^{'} s age is : 25

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