Part A: Humans and Horses The following problem can be solved using a variety of strategies. Before we look at some specific strategies, try it on your own. After you have completed the problem, write a short description of the strategy you used to solve the problem. In a crowd of humans and horses, there are 48 legs and 18 heads. How many horses are in the crowd? Part B: Drawing a Picture One way to solve the problem is to draw a picture. To do so, let an oval represent a head and then draw segments off the oval for the legs as shown in the following figure. Solve the problem using simple drawings like this. After you are finished, write a sentence or two deseribing how you used the pictures to solve the problem. Part C: Guess and Check Another way to solve the problem is to make and check a number of guesses. It may be helpful to use and extend a table like the following to keep track of your guesses as you make them. One guess has been made. After you have your answer, write a sentence or two that summarizes how you solved the problem in this way