Hotdogs & Hamburgers

The Student Council is putting on an event. The ratio of hamburgers to hot dogs that are sold is 5:3. The number of hamburgers that are sold is 275 . How many more hamburgers than hot dogs are sold?

Question 4 of 9

Assume you have collected data pairs (x, y) on a certain variety of tree. x is the number of weeks since the tree was planted and y is the height of the tree in inches. A plot of the data points with the best-fit line is given below. What is the numerical value of the height as predicted by the best-fit line for an age of 20 weeks?