An Internet bookstore charges 20 shipping for orders under

Last updated: 1/26/2023

An Internet bookstore charges 20 shipping for orders under 100 but provides free shipping for orders of 100 or more The cost C of an order is a function of the total price x of the bool purchased given by x 20 C x 2x if x 100 if x 100 Find C 65 C 90 C 100 and C 110 C 65 C 90 C 100 C 110