Maggie and reggie make necklaces to sell at craft shows. maggie still has 7 necklaces left over from the last craft show, and she can make 2 necklaces every hour. reggie still has 4 necklaces left from the last craft show, and he can make 2 necklaces every hour. which system of equations correctly represents this situation where n represents the number of necklaces and h represents the number of hours spent making necklaces?