Question

Kennedy had 1 pound of chocolate chips. She made 2 batches of chocolate chip cookies. Each batch used 3/10 pound of chocolates chips. Then, she used the rest of the chocolate chips to make brownies. What was the total weight of the chocolate chips used in the brownies?

Answer 1

3/10+3/10=6/10
10-6=4
So,4/10 pound or 0.4 pound

Answer 2

4/10 of a pound was used in the brownies