Question
The table shows the postage rates for posting mail locally and overseas.

Mass Local Postage Overseas Postage
First 80 g 40¢ 75¢
Every additional 10 g 15¢ 35¢

Oliver paid $2.75 for posting a package overseas. What was the greatest possible mass of the package that Oliver posted?
2 m

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The table shows the postage rates for posting mail locally and overseas.

Mass Local Postage Overseas Postage
First 80 g 40¢ 75¢
Every additional 10 g 15¢ 35¢

Oliver paid $2.75 for posting a package overseas. What was the greatest possible mass of the package that Oliver posted?