Two candles of equal quality and diameter differ by 18 cm in length. They are turned on at the same time and it is observed that at a moment the length of one is 5/2 that of the other. Fifteen minutes later, the smallest one is finished. If the largest candle lasts 3 hours, what was its length? a)120 cm           b)144 cm        c)136 cm          d)N.A

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter68: Basic Calculations Of Angles And Sides Of Right Triangles
Section: Chapter Questions
Problem 6A
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Two candles of equal quality and diameter differ by 18 cm in length. They are turned on at the same time and it is observed that at a moment the length of one is 5/2 that of the other. Fifteen minutes later, the smallest one is finished. If the largest candle lasts 3 hours, what was its length?

a)120 cm           b)144 cm        c)136 cm          d)N.A

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