The photo shows a small coin. The scale from the actual coin to the photo is 8mm to 2 cm. In the photo, the distance across the coin is 3.25 cm. What is the distance across the actual coin?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.