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Mathematics, 30.12.2019 05:31 abaroudi

Lv.130
one candle is 50cm high and
can burn for 3 hours. another
one is 70cm high and can
burn for 6 hours. how long
does it take for this two
candles to reach the same
height?

ansver
Answers: 1

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Lv.130
one candle is 50cm high and
can burn for 3 hours. another
one is 70cm high...
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