The height of the water in a tank decreases 3 inches each week due to evaporation. What is the change in the height of the water over a five-week period due to evaporation?
3 answers
5 weeks * 3 in / week = 15 in
A football team loses 5 yards on one play and then loses 8 yards on the next play. Write an addition expression that represents the change in position of the team for the two plays. Then find the sum.
You park in a garage 3 floors below ground level. Then you get in the elevator and go up 12 floors. Write an addition expression to represent this situation. Then find the sum.