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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?

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

asked
User Adrian Serafin
by
8.7k 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.
answered
User Tokfrans
by
8.2k points
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