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Mathematics 10 Online
OpenStudy (anonymous):

r/84=56/75

OpenStudy (ivettef365):

you need to cross multiply, that is a proportion problem

OpenStudy (ivettef365):

so you have r 56 ----- = ------- 84 75 so you cross multiply as follows: 75r = 56 x 84 solve for r

OpenStudy (anonymous):

okay thanks for your help!

OpenStudy (ivettef365):

yw :)

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