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If a food label identifies the total number of kilocalories in a bowl of cereal as 140 and the carbohydrate kilocalories as 100, what is the approximate percentage of energy supplied by carbohydrates?
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If a food label identifies the total number of kilocalories in a bowl of cereal as 140 and the carbohydrate kilocalories as 100, what is the approximate percentage of energy supplied by carbohydrates?

User XAoc
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1 Answer

6 votes
71.4%
This is a simple exercise in division. What percent of 140 is 100? A little simple division will provide the answer: 100 / 140 = 0.714285714 = 71.4285714%
Rounding to 3 significant figures gives 71.4%
User Fabian Knorr
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