The area of a rectangular field is 875 m2.Two adjacent sides of the field
are fenced with wood costing $5 per meter.The remaining two sides are
fenced with steel costing $10/m.The total cost of the fencing is $900.
What are the dimensions of the field?

Question

anonymous · Answer

Let x be the length of the wood side, let y be the length of the steal side.  xy=875 and 2x(5)+2y(10)=900.  That's 10x+20y=900.  Solve the first equation for one of the variables and plug it into the second.

anonymous · Answer

Damnit. You got it first.

anonymous · Answer

i have more dont worry im just really confused this is new to me im a ninth grader taking advanced algebra 2