SOLUTION: Lina set her watch 1 second behind, and it falls behind another 2 seconds every day. How many days has it been since Lina last set her watch if the watch is 9 seconds behind? Write

Question 1110571: Lina set her watch 1 second behind, and it falls behind another 2 seconds every day. How many days has it been since Lina last set her watch if the watch is 9 seconds behind? Write and solve an equation to find the answer.
Answer by ikleyn(52864) (Show Source): You can put this solution on YOUR website!
.

1 + 2n = 9,


2n = 9 - 1,


2n = 8,


n =  = 4.


Answer.  4 days ago.

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