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Answer to Question #26231 in Algebra for Sarah DUckworth

Question #26231
A packet of breakfast cereal has the following information on it: Protein = 10.3g per 100g of cereal.<br><br>The recommended daily amount of protein for an adult male is 50g. What percentage of the recommended daily amount of protein does 40g of cereal provide?
Expert's answer
One gram of cereal provides

m = 10.3[g]/100 = 0.103[g]

of protein. Therefore, 40g of cereal provide

M = 40m = 4.12[g]

of protein. Therefore, 40g of cereal provide

P = (M/50[g])&middot;100% = (4.12[g]/50[g])&middot;100% = 8.24%

of the recommended daily amount of protein.

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