plzz help me
posted by bamawam on .
a 140 pund student burns 5.4 calories per minute while playing tennis .after 60 minutes how many calories has the student burned??
also
sam drives at a constant rate of 60 miles per hour . how many hours will it take him to drive 210 miles?
express your answer as a mixed number
plzz help me..
and thank you

(5.4) x (60) = 324 calories
(210) / (60) = 3.5 hours or 7/2 hours