Marcus
Weeks Total Saved (x, y)
1 10 (1,10)
2 20 (2, 20)
3 30 (3 30)
4 40 (4, 40)
David
Weeks Total Saved (x, y)
1 15 (1, 15)
2 30 (2, 30)
3 45 (3, 45)
4 60 (4, 60)
Mrs. Walters: 14.4 miles per gallon
Mr. Walters: 15 miles per gallon
Mr. Walters is getting the better mileage per gallon.
The answer of number 4 is 57+36 x 0.001
It depends on what your looking at
