Fredrico has earned a score of 7.2, 8.4, and 8.4 on his first three dives. He has one dive left….
Fredrico has earned a score of 7.2, 8.4, and 8.4 on his first three dives. He has one dive left. What score must he get on his last dive to have an average of at least 7.4 on all four dives?