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The ratio (3r - 2)/5 is equa to the ratio (5 + 2r)/8.  What is the value of r?

 Mar 23, 2021
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(3r - 2)/5 = (5 + 2r)/8     cross multiply to get

 

24r - 16 = 25 + 10r

14r = 41

r = 41/14

 Mar 23, 2021

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