Find the volume of the cylinder, then missing side of the cuboid then find the cost of grass.

Find the volume of the reservoir and divide it by the speed of water, and we will get the time. Also, convert litres into cubic metres.

First, find the volume of the big cuboid, then subtract the volume of the cubes and the cylinders from it.

Find the volume of the cylinder, then missing side of the cuboid then find the cost of grass.

Find the area of the cylinder, then find the side of the cube, then find the volume of the cube.

Find the area of the cylinder, then find the side of the cube, then find the volume of the cube.

Find the volume of the cuboid and then divide the volume of cube by volume of the cuboid.

First, find the side of the cube, then the volume.