SOLUTION: Five grams of sugar are added to a 45-gram serving of a breakfast cereal that is 20% sugar. What is the percent concentration of sugar in the resulting mixture?
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Question 357192: Five grams of sugar are added to a 45-gram serving of a breakfast cereal that is 20% sugar. What is the percent concentration of sugar in the resulting mixture?
? % Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Five grams of sugar are added to a 45-gram serving of a breakfast cereal that is 20% sugar. What is the percent concentration of sugar in the resulting mixture?
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Equation:
sugar + sugar = sugar
0.20*45 + 5 = x(45+5)
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Multiply thru by 100 to get:
20*45 + 500 = 100x(50)
1400 = 5000x
x = 0.28
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Ans: 28%
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Cheers,
Stan H.
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