Posted by Derron on Tuesday, June 22, 2010 at 11:06am.
Lisa Chen invested $24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8% investment is two thirds that of the 7.2% investment?

algebra 2  Damon, Tuesday, June 22, 2010 at 1:15pm
.08 x = (2/3) (.072) (24,000x)