Question
PSLE
The airmail rates to two countries are shown. Pamela sent a letter weighing 67g to Laos and a letter weighing 15g to Sweden by airmail. How much did she pay altogether?

Mass Laos Sweden
First 20g $0.85 $1.70
Every additional 10g $0.55 $0.65
2 m

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PSLE
The airmail rates to two countries are shown. Pamela sent a letter weighing 67g to Laos and a letter weighing 15g to Sweden by airmail. How much did she pay altogether?

Mass Laos Sweden
First 20g $0.85 $1.70
Every additional 10g $0.55 $0.65