Question
PSLE
The airmail rates to two countries are shown. Dana sent a letter weighing 87g to Vietnam and a letter weighing 37g to Switzerland by airmail. How much did she pay altogether?

Mass Vietnam Switzerland
First 40g $0.85 $1.20
Every additional 20g $0.55 $0.40
2 m

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PSLE
The airmail rates to two countries are shown. Dana sent a letter weighing 87g to Vietnam and a letter weighing 37g to Switzerland by airmail. How much did she pay altogether?

Mass Vietnam Switzerland
First 40g $0.85 $1.20
Every additional 20g $0.55 $0.40