Question
PSLE
The airmail rates to two countries are shown. Wendy sent a letter weighing 77g to Vietnam and a letter weighing 31g to Egypt by airmail. How much did she pay altogether?

Mass Vietnam Egypt
First 40g $0.75 $1.60
Every additional 20g $0.55 $0.60
2 m

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PSLE
The airmail rates to two countries are shown. Wendy sent a letter weighing 77g to Vietnam and a letter weighing 31g to Egypt by airmail. How much did she pay altogether?

Mass Vietnam Egypt
First 40g $0.75 $1.60
Every additional 20g $0.55 $0.60