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

Mass Local Postage Overseas Postage
First 90 g 55¢ 80¢
Every additional 10 g 25¢ 35¢

Neave paid $3.30 for posting a package overseas. What was the greatest possible mass of the package that Neave 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 90 g 55¢ 80¢
Every additional 10 g 25¢ 35¢

Neave paid $3.30 for posting a package overseas. What was the greatest possible mass of the package that Neave posted?