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OpenStudy (anonymous):
how do you solve this proportion 3/r=4/11
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OpenStudy (anonymous):
cross multiply.
OpenStudy (anonymous):
do you know how to do that?
OpenStudy (anonymous):
here's it explained if the site didn't help you...to cross multiply, you do 3•11 = 4•r 33=4r (divide both side by 4) r = 8.25
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