Dasha bought 96 feet of rubber pipe and 128 feet of plastic pipe. She wanted to cut each pipe into 8 equal pieces.

Which explanation correctly tells how to calculate the difference in length between one piece of rubber pipe and one piece of plastic pipe?

A.

Step 1 Divide: 128 ÷ 8.
Step 2 Divide: 96 ÷ 8.
Step 3 Subtract the two quotients.

B.

Step 1 Multiply: 128 × 8.
Step 2 Multiply: 96 × 8.
Step 3 Add the two products.

C.

Step 1 Multiply: 128 × 8.
Step 2 Multiply: 96 × 8.
Step 3 Subtract the two products.

D.

Step 1 Divide: 128 ÷ 8.
Step 2 Divide: 96 ÷ 8.
Step 3 Add the two quotients.
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