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06-05-2018
Mathematics

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If the sum of two numbers is 20 and one of those numbers is three times the other, what is the smaller number?

Respuesta :

06-05-2018

x = smaller number
y = bigger number

y = 3x

x+y = 20
x+3x = 20
4x = 20
x = 5

The smaller number is 5.

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