Question
PSLE
The airmail rates to two countries are shown. Jane sent a letter weighing 91g to Laos and a letter weighing 39g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 40g $0.55 $1.60
Every additional 20g $0.15 $0.60
2 m

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PSLE
The airmail rates to two countries are shown. Jane sent a letter weighing 91g to Laos and a letter weighing 39g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 40g $0.55 $1.60
Every additional 20g $0.15 $0.60