Behehshehe——Hello me please

How can you decide witch operations to use to slice a two step equation

The function models the number of accidents per 50 million miles driven as a function

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.