The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 20 g | 22y¢ |
Every additional 10 g or less | 11y¢ | |
Postcards | Per piece | 50¢ |
Peter sent 4 postcards and a letter. The letter weighed 47 g. How much did Peter pay in total? Give your answer in terms of y in the simplest form.