Question
PSLE
The airmail rates to two countries are shown. Cathy sent a letter weighing 94g to Laos and a letter weighing 33g to Canada by airmail. How much did she pay altogether?

Mass Laos Canada
First 40g $0.75 $1.30
Every additional 20g $0.45 $0.55
2 m

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PSLE
The airmail rates to two countries are shown. Cathy sent a letter weighing 94g to Laos and a letter weighing 33g to Canada by airmail. How much did she pay altogether?

Mass Laos Canada
First 40g $0.75 $1.30
Every additional 20g $0.45 $0.55