Atrail 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 match 2pound of peanuts and 3 match 4. pound of dried fruit costs $6.50. a blend of 1 match 3 pound of peanuts and 1 match 4 pound of dried fruit costs $4.50. 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?