Question 200744
6X/(6+X)=3.6
6X=3.6(6+X)
6X=21.6+3.6X
6X-3.6X=21.6
2.4X=21.6
X=21.6/2.4
X=9 HOURS FOR JUDY TO ENCODE BY HERSELF.
PROOF:
6*9/(6+9)=3.6
54/15=3.6
3.6=3.6