Question
PSLE
The airmail rates to two countries are shown. Xylia sent a letter weighing 89g to Vietnam and a letter weighing 39g to Australia by airmail. How much did she pay altogether?

Mass Vietnam Australia
First 40g $0.75 $1.50
Every additional 20g $0.55 $0.45
2 m

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PSLE
The airmail rates to two countries are shown. Xylia sent a letter weighing 89g to Vietnam and a letter weighing 39g to Australia by airmail. How much did she pay altogether?

Mass Vietnam Australia
First 40g $0.75 $1.50
Every additional 20g $0.55 $0.45