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Mathematics 8 Online
OpenStudy (mathmagicain):

x/15=3 4/5 Solve for x. will medal

OpenStudy (alivejeremy):

x=102

OpenStudy (alivejeremy):

Cross-multiply then Divide both sides by 5

OpenStudy (mathmagicain):

oh kay

OpenStudy (mathmagicain):

oh its 57

OpenStudy (tkhunny):

Use all of your math magic to forget you EVER heard the words "cross multiply". Never do it. Just solve using elementary operations.

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