SOLUTION: Bob invested $20,000, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%? A). $11,000 B). $12,000 C). $8,000

Algebra ->  Equations -> SOLUTION: Bob invested $20,000, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%? A). $11,000 B). $12,000 C). $8,000      Log On