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 only has enough materials to make 40 necklaces.Write two constraints to model the problem. Let x represent the number of la wns lordan mows and y represent the number of necklaces Sharla sells. (b) Can Sharla afford the down payment with the money she earns selling all her necklaces? Explain your answer.