Three divided by one-fourth

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Don't know how to find x given these segment lengths