Question
PSLE
The airmail rates to two countries are shown. Zoe sent a letter weighing 57g to Phillippines and a letter weighing 13g to Sweden by airmail. How much did she pay altogether?

Mass Phillippines Sweden
First 20g $0.55 $1.20
Every additional 10g $0.15 $0.50
2 m

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PSLE
The airmail rates to two countries are shown. Zoe sent a letter weighing 57g to Phillippines and a letter weighing 13g to Sweden by airmail. How much did she pay altogether?

Mass Phillippines Sweden
First 20g $0.55 $1.20
Every additional 10g $0.15 $0.50