Jordan and sharla are saving money to go on a study abroad trip. they must provide a down payment of $650 to sign up for the trip, and they can pay the remaining balance later. jordan raises money by mowing lawns in his neighborhood and charges $25 per lawn. sharla raises money by selling handmade necklaces for $15 each. sharla raises less money than jordan does because sharla 3. only has enough materials to make 40 necklaces. (a) write two constraints to model the problem. let x represent the number of lawns jordan mows and y represent the number of necklaces sharla sells. (b) can sharla afford the down payment with the money she earns selling her necklaces? explain your answer