Question
PSLE
The airmail rates to two countries are shown. Xuan sent a letter weighing 78g to Malaysia and a letter weighing 31g to Sweden by airmail. How much did she pay altogether?

Mass Malaysia Sweden
First 40g $0.75 $1.20
Every additional 20g $0.35 $0.40
2 m

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PSLE
The airmail rates to two countries are shown. Xuan sent a letter weighing 78g to Malaysia and a letter weighing 31g to Sweden by airmail. How much did she pay altogether?

Mass Malaysia Sweden
First 40g $0.75 $1.20
Every additional 20g $0.35 $0.40