jehampton07 jehampton07

14-04-2018
Mathematics

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the sum of three numbers is 103 the second number is 8 less than the first the last number is 3 times the second number

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Goalinetsky Goalinetsky

14-04-2018

x + y + z = 103
y = x - 8
z = 3y

x + (x-8) + 3(x-8) = 103
2x - 8 + 3x -24 = 103
5x = 135
x = 27

First Number: 27
Second Number: 19
Third Number: 57

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