For Home economics class, Sandra has 5 cups of flour. She made 3 batches of cookies that each used 1.5 cups of flour. Write and solve an expression to find the amount of flour Sandra has left after making the 3 batches?
Step-by-step explanation: So, Sandra made 3 batches of cookies that each used 1.5 cups of flour. The key word is “each”. So, 3 x 1.5 = 4.5. Sandra uses 4.5 cups of flour. She has 5 cups of flour. 5 - 4.5 = .5
