Question
PSLE
The airmail rates to two countries are shown. Dana sent a letter weighing 72g to Laos and a letter weighing 20g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 30g $0.75 $1.10
Every additional 15g $0.55 $0.45
2 m

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PSLE
The airmail rates to two countries are shown. Dana sent a letter weighing 72g to Laos and a letter weighing 20g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 30g $0.75 $1.10
Every additional 15g $0.55 $0.45