Final answer:
A plumber can cut the 12-foot PVC pipe into 8 pieces that are 1 1/2 feet long.
Step-by-step explanation:
To find out the number of 1 1/2 foot pieces that can be obtained from a 12-foot PVC pipe, we need to divide the total length of the pipe by the length of each piece. In this case, we divide 12 by 1 1/2.
12 ÷ 1 1/2 = 8
So, a plumber can cut the 12-foot PVC pipe into 8 pieces that are 1 1/2 feet long.