Question

A store sells two kinds of candles, scented and unscented. The scented burns 1/12 inches in 20 minutes and the unscented burns 1/6 inches in 30 minutes. Which type of candle burns in 1 hour and what is its burn rate?

Answer 1

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Answer 2

Given :The scented burns
`(1)/(12)` inches in 20 minutes

The scented candle will burn
`(1)/(12) times 3 =(1)/(4)` inches in one hour.

The unscented candle burns
`(1)/(6)` inches in 30 minutes

In one hour it will burn
`(1)/(6) times 2=(1)/(3)` inches .

Burn rate of scented is
`(1)/(4)` inches per hour.

Burn rate of unscented is
`(1)/(3)` inches per hour.