Mathematics

Jesse Gamble

5 January, 14:23

In connecticut state championships, rodrigo runs 1 mile race four different times. he finished with times of a minutes, b minutes, c minutes, and d minutes. what was his average speed, in miles per hour, for all four races combined? a. (a+b+c+d) / 4 b. (a+b+c+d) / 240 c. (a+b+c+d) / 15 d. 4 / (a+b+c+d) e. 240 / (a+b+c+d)