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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?
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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?

User Adrian Serafin
by
6.4k points

1 Answer

7 votes
x = smaller number
y = bigger number

y = 3x

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

The smaller number is 5.
User Tokfrans
by
5.9k points
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