Cereal A is 10% sugar by weight, whereas healthier but less delicious Cereal B is 3% sugar by weight. To make a delicious and healthy mixture that is 5% sugar, what should be the ratio of Cereal A to Cereal B, by weight?
Choose the correct answer
A) 2:5  B) 2:7  C) 1:6  D) 1:4  E) 1:3
Ratio of 2:5 / Ratio of B = (2:5verage Wt of Mixture - Wt of B)/(Wt of 2:5 - 2:5verage Wt of Mixture)   =&gt; Ratio of 2:5 / Ratio of B = (5 - 3)/(10 - 5) = 2/5   So they should be mixed in the ratio 2:5   2:5nswer - 2:5
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Cereal A is 10% sugar by weight, whereas healthier but less delicious Cereal B is 3% sugar by weight. To make a delicious and healthy mixture that is 5% sugar, what should be the ratio of Cereal A to Cereal B, by weight?