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OpenStudy (anonymous):
Proportions 90/x=3/4 what is x?
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OpenStudy (anonymous):
x=120
OpenStudy (anonymous):
Cross multiply. 3x=4(90). Solve for x.
OpenStudy (candyme):
90 3 --- =--- Cross multiply x 4 3x=360 x=120
OpenStudy (anonymous):
thank you soo much
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