The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 10 g | 30x¢ |
Every additional 5 g or less | 8x¢ | |
Postcards | Per piece | 80¢ |
Archie sent 2 postcards and a letter. The letter weighed 17 g. How much did Archie pay in total? Give your answer in terms of x in the simplest form.