Great Freights, a local shipping company, bases its charges on the weight of the items being shipped. In addition to charging $0.40 per pound, Great Freights also charges a one-time fee of $10 to set up a customer’s account. a. How much does Great Freights charge a new customer to ship a package that weighs 20 pounds?

b. How much does Great Freights charge a new customer to ship a package that weighs 50 pounds?

c. Estimate the weight of a package if Great Freights charges a new customer $45 to ship the package.

d. Write an equation for the problem situation.