There are four semi trailer trucks parked in a line at the rest stop after the first truck each truck in the line weighs 2 tons more than the truck before it the trucks weigh a total of 32 tons how many pounds does each truck weigh

Call the weght of the first truck "". We then know that the truck after that is 2 tons more, and the next and the next. i.e:




We also know that total is 32 tons. 






Therefore the trukcs weigh 5,7,9 and 11 tons for a total of 32 tons.

Converting to pounds, the trucks weigh 10,000, 14,0000, 18,0000 and 22,000 pounds. 

The percent discount was 120