Question
PSLE
The airmail rates to two countries are shown. Gem sent a letter weighing 55g to Laos and a letter weighing 19g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 20g $0.95 $1.80
Every additional 10g $0.65 $0.80
2 m

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PSLE
The airmail rates to two countries are shown. Gem sent a letter weighing 55g to Laos and a letter weighing 19g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 20g $0.95 $1.80
Every additional 10g $0.65 $0.80