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

Letters

First 12 g 23j¢
Every additional 6 g or less 12j¢
Postcards Per piece 60¢

Bobby sent 3 postcards and a letter. The letter weighed 15 g. How much did Bobby pay in total? Give your answer in terms of j in the simplest form.
2 m

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

Letters

First 12 g 23j¢
Every additional 6 g or less 12j¢
Postcards Per piece 60¢

Bobby sent 3 postcards and a letter. The letter weighed 15 g. How much did Bobby pay in total? Give your answer in terms of j in the simplest form.