Sara got 88, 90, 75, 78, 100, 54, 90, 100, 45, and 60 on her english tests. lee got 77, 67, 99, 79, 100, 65, 79, 89, 58, and 67 on his english tests. what is the mean of sara's english tests? what is the mean of lee's english tests? answer both questions

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.