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16-02-2022
Mathematics

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Tony is 5 years older than Noelle. In 2 years the sum of their ages will be 69. How old is Tony now?

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Аноним Аноним

16-02-2022

Solution:

Note that:

T = 5 + N
T + 2 + N + 2 = 69

Substitute the given values into the equation.

T + 2 + N + 2 = 69
=> 5 + N + 2 + N + 2 = 69
=> 2N + 9 = 69
=> 2N = 69 - 9
=> 2N = 60
=> N = 30
=> T = 5 + 30
=> T = 35

Tony is 35 years old.

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