Simplify this equation!someone please help me i cant seem to do this. 5(2y+1)-8

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Me with this one question, and i'll upvote the brainliest answer