The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 20 g | 21j¢ |
Every additional 10 g or less | 11j¢ | |
Postcards | Per piece | 80¢ |
Carl sent 4 postcards and a letter. The letter weighed 27 g. How much did Carl pay in total? Give your answer in terms of j in the simplest form.