A farm has chickens and goats. Each chicken has 2 legs and each goat has 4 legs. The total number of chicken legs and goat legs is 58. The farm has a combined total of 20 chickens and goats. How many of each animal are on the farm? How many chicken are there and how many goats?​

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8