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Proportion word problems

Elio makes candles that are 14 cm14\text{ cm} tall. Each candle burns 88 hours before going out. He is wondering how many hours a 21 cm21\text{ cm} tall candle can burn for.
He assumes that the relationship between the height of a candle and number of hours it burns (h)(h) is proportional.
Which proportion could Elio use to model this situation?
Choose 1 answer:
Choose 1 answer:
Solve the proportion to determine how long a 21 cm21 \text{ cm} tall candle can burn for.
hours