SOLUTION: Susan is 3 inches taller than her mom. Susan's sister is 2 1/3 feet shorter than her and 8/13 the height of her mother. How tall is Susan's mom?

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Question 874756: Susan is 3 inches taller than her mom. Susan's sister is 2 1/3 feet
shorter than her and 8/13 the height of her mother. How tall is
Susan's mom?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Let S be Susan's height

sister info = sister info

   S+-+28+=+%288%2F13%29%28S+-+3%29  ALL expressed in inches

  13S - 28*13 = 8S - 24

     5S = 340

      S = 68", 

Susan's height and her mom is 65"  0r 5' 3"