SOLUTION: A train ticket has a perimeter of 34 centimeters. Its area is 70 square centimeters. What are the dimensions of the ticket?

Question 873738: A train ticket has a perimeter of 34 centimeters. Its area is 70 square centimeters. What are the dimensions of the ticket?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,



P =2L +2w = 34

    L + w = 17

     L = (17-w)

A = Lw = (17-w)w = 70

         w^2 - 17w + 70 = 0

         (w-10)(w -7) = 0

Dimensions: 7cm  by 10cm 

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