<PRE><B>Question 40672</B>
  At what rate would a 180-poind person burn calories while bicycling at 12 mi/h?  (For a 150 pound person bicycling they burn 410 calories/h.

Set up a proportion as follows:

x/180= 410/150
solve for x

x=180(410/150)
x= 492 calories.
Ceers,
Stan H.</PRE>