4 pencils and 5 pens cost $2.00; 3 pencils and 4 pens cost $1.58. Write out a system of equations that would represent this situation.
4P+5p=2.00
3P+4p=1.58
P= cost of a Pencil
p=cost of a pen
3P+4p=1.58
P= cost of a Pencil
p=cost of a pen