Question
PSLE
The airmail rates to two countries are shown. Lucy sent a letter weighing 51g to Thailand and a letter weighing 15g to Egypt by airmail. How much did she pay altogether?

Mass Thailand Egypt
First 20g $0.55 $1.10
Every additional 10g $0.15 $0.25
2 m

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PSLE
The airmail rates to two countries are shown. Lucy sent a letter weighing 51g to Thailand and a letter weighing 15g to Egypt by airmail. How much did she pay altogether?

Mass Thailand Egypt
First 20g $0.55 $1.10
Every additional 10g $0.15 $0.25