bianca26 bianca26

17-09-2016
Mathematics

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Amar is five years older than his sister. The sum of their ages is 39. Find Amar's age.

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TheSMan TheSMan

17-09-2016

Amar's age = a
sister is a - 5
add both = 39
a + (a - 5) = 39
2a - 5 = 39
2a = 44
a = 22 and sister is 17

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