If the Diameter Is 4 inches then the radius will be 2 inches!
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Answer:
paying down high-interest credit cards.
NOT SURE BUT BELIEVE ITS THAT.
If it is 50 pages in an hour, half an hour would be 25 pages, and if it is 40 pages in an hour it would be 20 pages in half an hour, the answer is 5 pages more in half hour