SOLUTION: solve the proportion equations: 6/R=5/72

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Question 937683: solve the proportion equations: 6/R=5/72
Answer by MathLover1(20849) About Me  (Show Source):
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6%2FR=5%2F72 ...........cross multiply
6%2A72=5%2AR
432=5R
432%2F5=R
86.4=R