Question
The table shows the postage charges for sending letters to Maldives. Lucy posted an envelope with a mass of 78 g. How much did she pay for the postage?

Mass Cost
First 40 g $1.70
Every additional 20 g
or part thereof
50¢
2 m

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The table shows the postage charges for sending letters to Maldives. Lucy posted an envelope with a mass of 78 g. How much did she pay for the postage?

Mass Cost
First 40 g $1.70
Every additional 20 g
or part thereof
50¢