2) To cook a cake, Roberta Alberta bought 54.8 grams of butter. Then she found out that she bought
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Minus ka from both sides
u=ba-ka
undistribute a
u=(a)(b-k)
diivde both sides by (b-k)
u=ba-ka
undistribute a
u=(a)(b-k)
diivde both sides by (b-k)