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Mathematics 7 Online
OpenStudy (anonymous):

Sixty is 20 percent less than what number? Would it be 75?

OpenStudy (lieutenantgeneral):

12

OpenStudy (anonymous):

Why would it be 12?

OpenStudy (anonymous):

it can't be 12

OpenStudy (anonymous):

12 is less than 75

OpenStudy (anonymous):

i mean 12 is less than 60

OpenStudy (anonymous):

so:\[60=x-0.2x\]

OpenStudy (anonymous):

0.2 is 20%

OpenStudy (anonymous):

so:\[60=0.8x\]

OpenStudy (anonymous):

x = 75

OpenStudy (anonymous):

yah so 75 is correct

OpenStudy (anonymous):

Haha Thank you! I knew it couldn't be 12.

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