Question
PSLE
The airmail rates to a country are shown.
Type Mass Cost

Letters

First 16 g 28b¢
Every additional 8 g or less 11b¢
Postcards Per piece 50¢

Archie sent 4 postcards and a letter. The letter weighed 36 g. How much did Archie pay in total? Give your answer in terms of b in the simplest form.
2 m

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PSLE
The airmail rates to a country are shown.
Type Mass Cost

Letters

First 16 g 28b¢
Every additional 8 g or less 11b¢
Postcards Per piece 50¢

Archie sent 4 postcards and a letter. The letter weighed 36 g. How much did Archie pay in total? Give your answer in terms of b in the simplest form.