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04-01-2017
Mathematics

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A number is five times a smaller number and their sum is 144.Find the larger number

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04-01-2017

x is 5 times y
x=5y
x+y=144
sub 5y for x
5y+y=144
6y=144
divide both sides by 6
y=24
5y=24*5=x
x=120

the larger number is 120

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