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

Letters

First 8 g 29y¢
Every additional 4 g or less 7y¢
Postcards Per piece 90¢

Charlie sent 4 postcards and a letter. The letter weighed 18 g. How much did Charlie pay in total? Give your answer in terms of y in the simplest form.
2 m

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

Letters

First 8 g 29y¢
Every additional 4 g or less 7y¢
Postcards Per piece 90¢

Charlie sent 4 postcards and a letter. The letter weighed 18 g. How much did Charlie pay in total? Give your answer in terms of y in the simplest form.