SOLUTION: This is a question in a Finance course I am tutoring, but it has me stumped. If A=D+E and D/A= 0.70, solve for A/E. What am I missing? Thanks.

Algebra ->  Equations -> SOLUTION: This is a question in a Finance course I am tutoring, but it has me stumped. If A=D+E and D/A= 0.70, solve for A/E. What am I missing? Thanks.      Log On


   

Question 177343: This is a question in a Finance course I am tutoring, but it has me stumped.
If A=D+E and D/A= 0.70, solve for A/E. What am I missing? Thanks.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.A=D%2BE
2.D%2FA=0.7
.
.
.
From 2,
D=0.7%2AA
Plug that into 1,
1.A=D%2BE
A=0.7A%2BE
0.3A=E
Multiply both sides by 10,
3A=10E
A%2FE=10%2F3