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

Letters

First 20 g 30x¢
Every additional 10 g or less 6x¢
Postcards Per piece 80¢

Sam sent 5 postcards and a letter. The letter weighed 42 g. How much did Sam pay in total? Give your answer in terms of x 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 20 g 30x¢
Every additional 10 g or less 6x¢
Postcards Per piece 80¢

Sam sent 5 postcards and a letter. The letter weighed 42 g. How much did Sam pay in total? Give your answer in terms of x in the simplest form.