The zookeeper brings 15 pounds of food to the sheep pen. how can you determine how many animals there are?

things to refer

equation to y = 4x + 3

x = the number of animals
y = total amount of food

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.