Solve.One pound of body weight is lost whenever 3500 calories are burned off. While jogging, Ari burns 400 calories per hour. How long must he jog at this rate to lose 1 pound? Give your answer to the nearest tenth of an hour.
A. 0.1 hr
B. 8.8 hr
C. 23.3 hr
D. 7.5 hr
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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