- Problem-solving / Reasoning A skateboard factory makes boards from sheets of
plywood. The factory checks the area of plywood wasted each week. One week the total
waste was 28.75 m2 over the five days the factory was open.
Day. Waste.
Monday 4.35 m2
Wednesday 5.4 m2
Thursday 6.14 m2
How much plywood was wasted on Tuesday and Friday?