SOLUTION: how many php 80000be invested part at 7% and the rest 6% so that both investments produce equal income?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: how many php 80000be invested part at 7% and the rest 6% so that both investments produce equal income?      Log On


   



Question 158314: how many php 80000be invested part at 7% and the rest 6% so that both investments produce equal income?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
.07x=.06(8000-x)
.07x=480-.06x
.07x+.06x=480
.13x=480
x=480/.13
x=$3,692.31 invested @ 7%
8,000-3,692.31=$4,307.69 invested @ 6%
PROOF:
.07*3,692.31=.06*4,307.69
258.46=258.46