g) How much will the tiles needed for the pond cost, if each one is $2.50? 3) Costa has also built a scale model of the garden. He has used wooden blocks to represent the volume of soil in the planter boxes. Each block represents a cubic (7 marks) metre of soil. 1 m 3 m 2 m a) How many blocks are there in each planter box? b) How many cubic metres of soil will he need to fill each planter box? Volume = length x width x height X X m3 c) If there are four planter boxes, what volume of soil will be needed altogether? d) If one cubic metre of soil costs $72, how much will the total volume of soil cost