Ben is twice as old as his sister Jane, and their brother David is 7 years younger than Jane. Write an expression for the sum...

      

Ben is twice as old as his sister Jane, and their brother David is 7 years younger than Jane. Write an expression for the sum of their ages.

  

Answers


joseph
Let x represent Jane’s age = x
Ben =2x
David = x – 7
Total age = x+2x +x-7
=4x – 7

joseph rimiru answered the question on October 21, 2017 at 20:19


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