The average age of three people running for election is 42. A fourth person joins the race and the average drops to 40. What is the fourth
person's age?
A. 32
B. 34
c. 35
D36
E. 40
First you have to multiply 42 times 3 to find the total age of the three people. Then multiply 40 times 4 to find the age of the four people in all. Subtract.
