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

Letters

First 10 g 28z¢
Every additional 5 g or less 11z¢
Postcards Per piece 80¢

Liam sent 2 postcards and a letter. The letter weighed 24 g. How much did Liam pay in total? Give your answer in terms of z 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 28z¢
Every additional 5 g or less 11z¢
Postcards Per piece 80¢

Liam sent 2 postcards and a letter. The letter weighed 24 g. How much did Liam pay in total? Give your answer in terms of z in the simplest form.