if 1/5 + 1/6 + 1/7 > 1/5 + 1/6 + 1/y then y could be which of the following? (A) 6 (B) 7 (C) 8 (D) 9 (E) 10
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Originally Posted by sri340 if 1/5 + 1/6 + 1/7 > 1/5 + 1/6 + 1/y then y could be which of the following? (A) 6 (B) 7 (C) 8 (D) 9 (E) 10 Take 1/5 and 1/6 from both sides 1/7 > 1/y Assume that y > 0 so we don't have a sign change and cross multiply y > 7
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