Question
PSLE
The airmail rates to two countries are shown. Tammy sent a letter weighing 81g to Laos and a letter weighing 42g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 50g $0.75 $1.80
Every additional 25g $0.35 $0.80
2 m

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PSLE
The airmail rates to two countries are shown. Tammy sent a letter weighing 81g to Laos and a letter weighing 42g to Switzerland by airmail. How much did she pay altogether?

Mass Laos Switzerland
First 50g $0.75 $1.80
Every additional 25g $0.35 $0.80