(Solved): Define your variables, set up, and solve a system of 2 equations. a. The length of fence required to ...

Define your variables, set up, and solve a system of 2 equations. a. The length of fence required to enclose a rectangular field is 3000 meters. What are the dimensions of the field if it is known that the difference between its length and width is

meters? b. A business rents cars for

a day and vans for

a day. One day it rented a total of 30 vehicles and made

. How many cars and vans were rented that day?