SOLUTION: Superman needs to save Lois from the clutches of Lex Luthor. After flying for 12 seconds, he is 1428 meters from her. Then at 14 seconds, he is 1316 meters from her. What is Sup

Algebra ->  Linear-equations -> SOLUTION: Superman needs to save Lois from the clutches of Lex Luthor. After flying for 12 seconds, he is 1428 meters from her. Then at 14 seconds, he is 1316 meters from her. What is Sup      Log On


   

Question 1174483: Superman needs to save Lois from the clutches of Lex Luthor. After flying for 12 seconds, he is 1428 meters from her. Then at 14 seconds, he is 1316 meters from her.
What is Superman's average rate? meters per second
How far does Superman fly every 9 seconds? meters
How close to Lois is Superman after 23 seconds? meters
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

The key idea of the solution is that Superman flies  TO  Lois

                    (and  NOT  from her).


As soon as you get this idea,  the rest is just simple arithmetic.