A trail mix is made up of peanuts that cost p dollars per pound and dried fruit that costs d dollars per pound. A blend of 1 half pound of peanuts and 3 fourths pound of dried fruit costs 6 point 5 0 dollars A blend of 3 fourths pound of peanuts and 1 fourth pound of dried fruit costs 4 point 5 0 dollars Which matrix equation can be used to solve for the cost of 1 pound of peanuts and the cost of 1 pound of dried fruit?