Question
PSLE
The airmail rates to two countries are shown. Shiyun sent a letter weighing 89g to Thailand and a letter weighing 39g to France by airmail. How much did she pay altogether?

Mass Thailand France
First 40g $0.55 $1.30
Every additional 20g $0.25 $0.45
2 m

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PSLE
The airmail rates to two countries are shown. Shiyun sent a letter weighing 89g to Thailand and a letter weighing 39g to France by airmail. How much did she pay altogether?

Mass Thailand France
First 40g $0.55 $1.30
Every additional 20g $0.25 $0.45