Question

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?

Answer 1

Sandra has 0.5 cups of flour left after making the 3 batches.

Explanation:

1 batch = 1.5 cup

3 batch = ?

1.5*3 = 4.5

1.5+1.5+1.5 = 3+1.5 = 4.5

5-4.5 = 0.5

Answer 2

Answer: .5 cups of flour

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