The airmail rates to a country are shown.
Type | Mass | Cost |
Letters |
First 8 g | 23x¢ |
Every additional 4 g or less | 9x¢ | |
Postcards | Per piece | 70¢ |
Charlie sent 2 postcards and a letter. The letter weighed 19 g. How much did Charlie pay in total? Give your answer in terms of x in the simplest form.