03-09-2017
Mathematics

contestada

The sum of three numbers is 99. The first number is 9 more than the third. The second number is 4 times the third. What are the numbers?

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amirreza688 amirreza688

03-09-2017

first number=x+9
second number=4x
third number=x
4x+x+x+9=99
6x=90
x=15
first number=24
second number=60
third number=15

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