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Mathematics 18 Online
OpenStudy (anonymous):

X/4=3/0.8 what does X =?

OpenStudy (anonymous):

x= 15

OpenStudy (anonymous):

show ur work

OpenStudy (ragingsquirrel):

X=12 actually

OpenStudy (anonymous):

oops lol sorry x/4=3/.8 3*4=12 12/.8=15 cross multiply then divide

OpenStudy (ragingsquirrel):

Easier version: 4 goes into 12 3 times... ;)

OpenStudy (anonymous):

12/4 does not equal 3/0.8

OpenStudy (ragingsquirrel):

ohhh! i thought that was just dividing again. I thought we could just drop that.

OpenStudy (anonymous):

:-) itz cool

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