The penny size of a nail indicates the length of the nail. The penny size d is given by the literal equation d=4n−2
, where n
is the length (in inches) of the nail.

a. Solve the equation for n
.
n=

Question 2
b. Use the equation from part (a) to find the lengths of nails with the following penny sizes: 3, 6, and 10.
A 3-penny nail is inches.

A 6-penny nail is inches.

A 10-penny nail is inches.