A) Tim is tiling a wall and needs to buy at least 100 tiles. The tiles are sold in large packs and small packs.
Large pack 40 tiles £17
Small pack 26 tiles £12
Special offer
25% reduction when you buy 3 or more large packs
Work out the cheapest cost to buy the packs of tiles he needs.
Your final line must say, Cheapest cost =
(3)
b) If a floor tile is a square with side 40 cm, how many tiles would be
needed to tile a rectangular floor with length 640 cm and width 200 cm? (1)
Tiles needed
Total marks: 4