- #1

- 4

- 0

The equation i can up with to solve this is:

f(x) = .6(1600 + x^2)(2X) + (50 -x)

...I got the .6 by dividing 45 by 75 to get a ratio...what am I doing wrong? Please help, I have a test tomorrow and this is my last resort. Thanks.

edit: the answer is 30 km east of dust city but how?