The bar graph shows the number of students who earned each letter grade on an exam. which statement about the graph is true?

When you answer this can you explain

Me n o w. i need t h i s. 10 points

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.