SOLUTION: Carla invested $28,000, part at 14% and part 9%. IF the total interest at the end of the year is $3,370, how much did she invest at 14%?
Algebra.Com
Question 117403: Carla invested $28,000, part at 14% and part 9%. IF the total interest at the end of the year is $3,370, how much did she invest at 14%?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Let x be invested at 14% and 28000-x be invested at 9%.
.14x+.09(28000-x)=3370
.14x+2520-.09x=3370
.05x+2520-2520=3370-2520
.05x=850
.05x/.05=850/.05
x=$17,000
.
Check
17000*.14+11000*.09=3370
.
Ed
RELATED QUESTIONS
Carla invested $28,000, part at 14% and part at 9%. If the total interest at the end of... (answered by checkley71)
Carla invested $28,000, part at 14% and part at 9%. If the total interest at the end of... (answered by checkley75)
Carla invested $28,000, part at 14% and part at 9%. If the total interest at the end of... (answered by Fombitz)
Carla invested $28,000, part at 14% and part at 16%. If the total interest at the end of (answered by checkley71)
Can someone help me with this?
Carla invested $20,000, part at 6% and part at 15%. If (answered by scianci)
Carla invested $28,000, part at 14% and part at 9%. If the total interest at the end of... (answered by checkley75)
Invested $22,000, part at 8% and part at 7%. If the total interest at the end of the... (answered by stanbon)
Janet invested $29,000, part at 12% and part at 14%. If the total interest at the end of (answered by Earlsdon)
6. Carla invested $14,000, part at 9% and part at 12%. If the total interest at the end... (answered by checkley71)