Question

Colin meets three wooden boards to repair his porch.the length he needs are 2.2 meters,2.82 meters,and 4.25 meters.he purchases a board that is 10 meters long and cuts the three sections.how much of the board that colin purchased will be left.

Answer 1

Total amount used = 4.25+2.2+2.82 = 9.27
Total left = 10-9.27 = 0.73 meters