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

Letters

First 10 g 23n¢
Every additional 5 g or less 7n¢
Postcards Per piece 60¢

Henry sent 5 postcards and a letter. The letter weighed 17 g. How much did Henry pay in total? Give your answer in terms of n in the simplest form.
2 m

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

Letters

First 10 g 23n¢
Every additional 5 g or less 7n¢
Postcards Per piece 60¢

Henry sent 5 postcards and a letter. The letter weighed 17 g. How much did Henry pay in total? Give your answer in terms of n in the simplest form.