Answer:
5 cows, 21 chicken
Step-by-step explanation:
5 cows; 20legs
21chickens; 42legs
26heads; 62legs
60
Side A would end up being 15 and then to find the area you would use your formula 1/2 × base × height.
Volume = (edge)^3
Let V = Volume of cube
V = 1_1/2 • 2 • 1_1/2
V = 9/2