A gardener has 10 pounds of soil. Now he 5/8 of that soil for his garden. Let's solve how many pounds of soil did he used and how many pounds is left. => 5/8 => 10 lbs / 8 = 1.25 lbs => 1.25 lbs * 5 = 6.25 lbs. He used 6.25 lbs of soil for his garden and has 3.75 lbs of soil left.