Question
PSLE
The airmail rates to two countries are shown. Erika sent a letter weighing 87g to Phillippines and a letter weighing 36g to Australia by airmail. How much did she pay altogether?

Mass Phillippines Australia
First 40g $0.95 $1.80
Every additional 20g $0.55 $0.80
2 m

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PSLE
The airmail rates to two countries are shown. Erika sent a letter weighing 87g to Phillippines and a letter weighing 36g to Australia by airmail. How much did she pay altogether?

Mass Phillippines Australia
First 40g $0.95 $1.80
Every additional 20g $0.55 $0.80