Question
PSLE
The airmail rates to two countries are shown. Marion sent a letter weighing 55g to Thailand and a letter weighing 16g to Australia by airmail. How much did she pay altogether?

Mass Thailand Australia
First 20g $0.55 $1.30
Every additional 10g $0.15 $0.35
2 m

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PSLE
The airmail rates to two countries are shown. Marion sent a letter weighing 55g to Thailand and a letter weighing 16g to Australia by airmail. How much did she pay altogether?

Mass Thailand Australia
First 20g $0.55 $1.30
Every additional 10g $0.15 $0.35