Posted by **Pauline** on Thursday, August 27, 2009 at 11:00am.

suppose that A=D+E and that D/A= 0.35 solve for A/E.

- Algebra -
**Jordan**, Thursday, August 27, 2009 at 11:27am
substitute in what you can from the info you are given

in this case change 'A' to 'D+E'

this gives us D/D+E =0.35 & D+E/E

see if you can take it from here

- Algebra -
**Pauline**, Thursday, August 27, 2009 at 11:31am
sorry I still don't understand

- Algebra -
**Reiny**, Thursday, August 27, 2009 at 12:12pm
or in

A=D+E , divide each term by A

A/A = D/A + E/A

1 = .35 + E/A

.65 = E/A

E/A = 65/100 = 13/20

Then A/E = 20/13

- Algebra -
**Pauline**, Thursday, August 27, 2009 at 12:29pm
ok so this would = 1.54

just too see if i got it suppose A=D=E D/A=0.75 would D/E= .25

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