Al Dietrich is in training. He swims for 20 minutes, bicycles (15 mph) for 20 minutes, and runs (8 mph) for 20 minutes everyday. How many calories is he burning with this training each day?

600

620

1,680

1,860

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)