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

Letters

First 8 g 24k¢
Every additional 4 g or less 8k¢
Postcards Per piece 70¢

Jack sent 2 postcards and a letter. The letter weighed 10 g. How much did Jack pay in total? Give your answer in terms of k 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 24k¢
Every additional 4 g or less 8k¢
Postcards Per piece 70¢

Jack sent 2 postcards and a letter. The letter weighed 10 g. How much did Jack pay in total? Give your answer in terms of k in the simplest form.