The daily cost of operating a hospital C is a linear function of the number of in-patients I, out-patients P and a fixed cost a, i.e.,
C = a + bP + dI
Given the following data from 3 days, find the value of a, b and d by setting up a linear system of equations and using the matrix method.
|
Day |
Cost in Rs. |
No. of In-patients (I) |
No. of Out-patients ( P) |
|
1
2
3 |
6,950
6,725
7,100 |
40
35
40 |
10
9
12 |
(Hint: 40I + 10P = 6950)
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