Question 1012254
1) find the average depth of the pool by dividing the sum of the depths of the shallow end and deep end by 2
3/2 + 9/2 = 12/2 = 6
average depth = 6 / 2 = 3
2) volume of pool is length * width * average depth
50 * 15 * 3 = 2250 cubic metres of water are necessary to fill the pool