Question

Robert, John, Enrique, Mark, and Thomas participate in a 2-mile run during gym class. The total average of all 5 runners is

15.3 minutes, and the average of Robert, John, and Enrique is 14.4 minutes. What is the average time for Mark and Thomas?

Answer 1

Step-by-step explanation:

Robert + John + Enrique + Mark + Thomas = 15.3 ------(1)

Robert + John + Enrique = 14.4 -------(2)

Putting value in Equation 1:

14.4 + Mark + Thomas = 15.3

Hence:

Mark + Thomas = 0.9