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

Letters

First 10 g 25m¢
Every additional 5 g or less 5m¢
Postcards Per piece 90¢

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

Click button first when a symbol is required. X

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

Letters

First 10 g 25m¢
Every additional 5 g or less 5m¢
Postcards Per piece 90¢

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