Question
PSLE
The airmail rates to two countries are shown. Joelle sent a letter weighing 57g to Vietnam and a letter weighing 12g to Switzerland by airmail. How much did she pay altogether?

Mass Vietnam Switzerland
First 20g $0.85 $1.30
Every additional 10g $0.45 $0.55
2 m

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PSLE
The airmail rates to two countries are shown. Joelle sent a letter weighing 57g to Vietnam and a letter weighing 12g to Switzerland by airmail. How much did she pay altogether?

Mass Vietnam Switzerland
First 20g $0.85 $1.30
Every additional 10g $0.45 $0.55