Mathematics, 20.03.2021 03:00, Sumaiyajr2567
USER VEGGIES i promise this is really the last one. pls answer and EXPLAIN
Lisa gives her little brother Sam a 15-second (sec) head start in a 300-meter (m) race. During the race, Sam runs at an average speed of 5 m/sec and Lisa runs at an average speed of 8 m/sec, not including the head start. Since the time Lisa started running, which of the following best approximates the number of seconds that had passed when Lisa caught up to Sam?
A) 5
B) 25
C) 40
D) 55
Answers: 2
Mathematics, 21.06.2019 17:50, carlosiscr7
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USER VEGGIES i promise this is really the last one. pls answer and EXPLAIN
Lisa gives her little br...
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