Mathematics for IGCSE & O level - Mensuration (Section 14 - No. 15)
A can of paint covers 10m². How many cans are needed to paint a wall that is 5m high and 8m wide?
1 can
4 cans
3 cans
5 cans
คำอธิบาย
Wall Area = 5m * 8m = 40m². Cans Needed = 40m² / 10m²/can = 4 cans