the difference between two positive integers is 40. one integer is three times as great as the other. find the integer.

asked Sep 20, 2015 184k views

4 votes

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4 votes

Be the integers: x and y

x - y = 40
x = 3y

Replace x in the first equation:

3y - y = 40
2y = 40
y = 20
x = 60

Keflavich answered Sep 24, 2015

8.7k points

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