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Use Weighted average method to get the ratios..

A/B = (240-160)/(160-150) = 80/10 = 8/1
So in every nine sold, 8 were of model A and one that of B.
Revenue from A = 8*150 = 1200
Revenue from B = 1*240 = 240
Total = 1200+240 =1440

As a fraction of total, revenue from B = 240/1440 = 1/6
kevincan
Eagle Eyes sells two models of binoculars: Model A sells for $150 and Model B for $240. If the average selling price for the binoculars it sold last month was $160, Model B accounted for what fraction of Eagle Eyes’ total sales revenue from binoculars last month?

(A) \(\frac{1}{9}\)
(B) \(\frac{1}{8}\)
(C) \(\frac{1}{6}\)
(D) \(\frac{1}{5}\)
(E) \(\frac{1}{4}\)
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We need to have an eagle eye to solve this question. Seriously, did not pay attention to "total sales revenue."
kevincan
Eagle Eyes sells two models of binoculars: Model A sells for $150 and Model B for $240. If the average selling price for the binoculars it sold last month was $160, Model B accounted for what fraction of Eagle Eyes’ total sales revenue from binoculars last month?

(A) \(\frac{1}{9}\)
(B) \(\frac{1}{8}\)
(C) \(\frac{1}{6}\)
(D) \(\frac{1}{5}\)
(E) \(\frac{1}{4}\)
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