Question
PSLE
The airmail rates to two countries are shown. Wendy sent a letter weighing 87g to Laos and a letter weighing 22g to Canada by airmail. How much did she pay altogether?

Mass Laos Canada
First 30g $0.75 $1.70
Every additional 15g $0.35 $0.65
2 m

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PSLE
The airmail rates to two countries are shown. Wendy sent a letter weighing 87g to Laos and a letter weighing 22g to Canada by airmail. How much did she pay altogether?

Mass Laos Canada
First 30g $0.75 $1.70
Every additional 15g $0.35 $0.65