A sheet 0.020 in. thick is to be used to make a can with a wall thickness of 0.010 in. and a bottom thickness of 0.020 in. If the bottom is 4.0 in. in diameter and the height is 10 inches, then: a....

A sheet 0.020 in. thick is to be used to make a can with a wall thickness of 0.010 in. and a bottom thickness of 0.020 in. If the bottom is 4.0 in. in diameter and the height is 10 inches, then:

a. What is the diameter of the blank sheet needed to make the can? (9.8)

b. What is the draw ratio for making the can? (2.45)