Question 473685
If a/b=6/7 and a/c=2/5,what is the value of 3b+c in terms of a?
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b = 7a/6 ; c = 5a/2
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3b + c = 3[7a/6] + 5a/2
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3b + c = 7a/2 = 5a/2
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3b + c = 12a/2
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3b + c = 6a
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Cheers,
Stan H.

 
(A)12a
(B)9a
(C)8a
(D)6a
(E)4a