real life problem

Question

Write a real-life problem that could be solved using the following expression.

2.8m+ 2.8m+ 2.8m − 0.9m

Answer 1

Yesterday you bought the off-brand M&Ms for $0.90. When you got home, your girlfriend was so mad, she asked you to go back and get 3 of the "right" ones. They cost $2.80. How much money do you need to take to the store?