Mr. vargas is buying used computer equipment. he buys 3 keyboards and 4 mice. he spends $42. if the items are all the same price, how much does each item cost?

Your answer would be ahere is how: perimeter is how long all the sides are. in a rectangle, there are two sets of parallel sides. so, to find this, we would to the following.(15x2)+(4x2)30+838if you have questions ask! and mark me brainliest! i really wanna level up : 3