SOLUTION: 3. A rectangle is divided into four rectangles with area 70,36,20 and X. The value of X is

Algebra ->  Rectangles -> SOLUTION: 3. A rectangle is divided into four rectangles with area 70,36,20 and X. The value of X is      Log On


   

Question 850022: 3. A rectangle is divided into four rectangles with area 70,36,20 and X. The value of X is
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
This suggests factoring, maybe finding greatest common factor.

70=10*7=2*5*7
36=2*2*3*3
20=2*2*5
The only common factor is 2. This is 2%5E1.
X=2