SOLUTION: Over the last three evenings, Kira received a total of 67 phone calls at the call center. The second evening, she received 2 times as many calls as the third evening. The f

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Over the last three evenings, Kira received a total of 67 phone calls at the call center. The second evening, she received 2 times as many calls as the third evening. The f      Log On


   

Question 1092012: Over the last three evenings, Kira received a total of
67
phone calls at the call center. The second evening, she received
2
times as many calls as the third evening. The first evening, she received
7
more calls than the third evening. How many phone calls did she receive each evening?

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
third evening is x
second evening is 2x
first evening is x+7
Those 3 add to 67, so 4x+7=67, x=15 calls the third evening, 30 the second evening and 22 the first evening.