In one week, Ed can mow at most 9 lawns, and rake at most 7 lawns. He charges $20 for mowing and $10 for raking. He needs to earn more than $120 in one week. Graph all the possible combinations of mow

In one week, Ed can mow at most 9 lawns, and rake at most 7 lawns. He charges $20 for mowing and $10 for raking. He needs to earn more than $120 in one week. Graph all the possible combinations of mowing and raking that Ed can do to meet his goal. Use a checkpoint to justify the reasonableness of the solution.