Elio makes candles that are 14\text{ cm}14 cm14, space, c, m tall. each candle burns 888 hours before going out. he is wondering how many hours a 21\text{ cm}21 cm21, space, c, m tall candle can burn for. he assumes that the relationship between the height of a candle and number of hours it burns (h)(h)left parenthesis, h, right parenthesis is proportional. how long a 21 \text{ cm}21 cm21, space, c, m tall candle can burn for?