Two gift shops sell postcards. Each gift shop charges a fixed amount per postcard. The prices, in cents, for different numbers of postcards at the first gift shop are shown in the table below.

Two gift shops sell postcards Each gift shop charges a fixed amount per postcard The prices in cents for different numbers of postcards at the first gift shop a class=
Two gift shops sell postcards Each gift shop charges a fixed amount per postcard The prices in cents for different numbers of postcards at the first gift shop a class=