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3 years ago

6

Elio makes candles that are 14 cm tall. Each candle burns 8 hours before going out. He is wondering how many hours at 21 cm tall

candle will burn. How long will a 21 cm tall candle burn?

2 answers:

Alenkasestr [34]3 years ago

5 0

The answer is 12 hours. I got it right on my Khan Academy.

-BARSIC- [3]3 years ago

4 0

I would use ratio.
14:8 divide 2
7:4 times 3
21:12
12 hours before going out.

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