1. A blue print requires four separate pieces of wood measuring 4 1/5 in, 6 1/4 in 3 15/16 75/8 how long a piece of wood is needed to cut these pieces if we all 1/2 in waste.

2. The large end a tapered pin 4 15/16 in. in diameter, while small end is 4 1/8. calculate the difference to get the amount of taper.

3. During an oil change 4 1/8 quarts of oil were need to fill up an engine. During the next oil change only 1 1/4 quarts of oil drained the engine how much is the amount of oil was consumed between the oil change?