A piece of drill rod 2 ft 6 in. long is to be cut into pins, each 2 1/2 in. long. A. Assume no loss in each cut. How many pins will you get?

B. Assume 1/16 in. waste in each cut. How many pins will you get?

Please explain how you got your answer for both A and B.
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Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank