Average and Rate Problems with Multiple Steps

Solving multi-step rate problems: If a car travels 120 miles in 2 hours, what is its average speed?

Finding the average of a set of numbers: If the average of 5 numbers is 20, what is their total sum?

(a)  

Finding the average of a set of numbers: The average of 4 numbers is 25. If 3 of the numbers are 20, 30, and 40, what is the fourth number?

(a)  

Solving word problems involving averages: The average of 5 numbers is 40. If 4 of the numbers are 30, 40, 50, and 60, what is the fifth number?

(a)  

Consider the graph. What is the average of change on the interval $$2\le x\le5$$

Consider the graph. What is the average of change on the interval $$2\le x\le5$$

Consider the graph. What is the average of change on the interval $$2\le x\le5$$ Formula: $$\frac{y_2-y_1}{x_2-x_1}$$

Consider the graph. What is the average of change on the interval $$2\le x\le5$$

Solving word problems involving averages: A student scores 85, 90, 95, and 80 in 4 tests. What is the average score?

(a)  

Solving multi-step rate problems: A machine produces 500 items in 8 hours. What is its production rate per hour?