1)The price of a certain brand of coffee goes from $8 a bag to $10 a bag.

What is the percent of change in the price?

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Is the percent of change a percent of increase or a percent of decrease? Explain.


2) Lamar is choosing between two boxes for shipping. Box 1 is 250 cubic inches. Box 2 is 4,000 cubic centimeters. (Use 1 inch = 2.54 centimeters.)

Which box is larger?

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By how much is it larger?