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Treadmill Trivia

If you love working out on a treadmill, take this quiz to see how well you know your machine.

You and a friend are walking on treadmills at a pace of 15 minutes per mile for 30 minutes. You raise the incline to five percent and she uses no incline. Providing that you weigh the same, how many more calories will you burn than your friend?

About 20
About 50
About 100
About 150
Source: Getty

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