Mathematics, 09.02.2021 06:40 heyyyyy39

I need help with the last question... I don't understand it.

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Mathematics, 21.06.2019 20:20, bbyjoker

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Mathematics, 22.06.2019 00:30, burners

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height

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