A riding-stable manager is planning a nutritional diet for 6 horses. The manager finds the table below in a guide about horse health. The cost of 1000 Calories of horse feed is $.15. What is the cost per day to feed the 6 horses? (Hint: First, try writing an expression for the number of daily Calories needed for h horses.

The Table:

Number of Horses| 1 | 2 | 3 | 4 |
Daily calories |15K|30K|45K|60K|

2 answers

looks like calories (in Kcal) is
k = 15h
cost
c = .15k = 2.25h
c(6) = 13.50
K stands for thousand.