Elio makes candles that are 14\text{ cm}14 cm14, start text, space, c, m, end text tall. Each candle burns 888 hours before going out. He is wondering how many hours a 21\text{ cm}21 cm21, start text, space, c, m, end text 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 can a 21 \text{ cm}21 cm21, start text, space, c, m, end text tall candle burn for?
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Soil pH can be measured using a pH meter (usually mixing the soil sample with water or a salt solution) or by adding a dye to the soil and observing a color change that can be compared with a chart for pH determination. The latter method can be done using a kit that contains the necessary chemicals.
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The answer is 12
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