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navik [9.2K]
4 years ago
15

A red candle is 8 inches tall and burns at a rate of 7/10 inch per hour.

Mathematics
1 answer:
ira [324]4 years ago
6 0

Answer:

  11 3/7 hours

Step-by-step explanation:

The shorter candle burns faster, so the candles will not be the same height (0) until the taller candle burns completely. At 0.7 in/h, that will take ...

  (8 in)/(0.7 in/h) = 80/7 h = 11 3/7 h

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<span> </span>
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