SOLUTION: An actor invests some money at 6​%, and ​$35000 more than three times three times the amount at 7%. The total annual interest earned from the investment is ​$380
Algebra.Com
Question 987840: An actor invests some money at 6%, and $35000 more than three times three times the amount at 7%. The total annual interest earned from the investment is $38090. How much did he invest at each amount? Use the six-step method.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
x at 6%
3x+35,000 at 7%
.06x + (.07)(3x+35000)=38090
.06x+ .21x+2450=38090
0.27x=$35640
x=$132,000
3x+35000=$431,000
;
Check
132000@6%=$7920
431000@7%=$30170
Total is $38090
RELATED QUESTIONS
an actor invests some money at 7%, and $35000 more than three times the amount at 19%.... (answered by ikleyn)
An actor invested some money at 8% simple interest, and $47,000 more (answered by addingup)
An actor invested some money at 7% simple interest, and $26 comma... (answered by ikleyn)
An actor invested some money at 6% simple interest, and $44,000 more (answered by Boreal)
An actor invests some money at 7%, and $39000 more than twice the amount at (answered by addingup)
An actor invests some money at 8%, and $38000 more than three times the amount at 11%.... (answered by lwsshak3,mananth)
An actor invests some money at 5%, and $22000 more than twice the amount at (answered by jorel1380)
An actor invests some money at 9% and 31000more than three times the amount at 10% the... (answered by greenestamps)
An actor invests some money at 9% and $22000 more than four times the amount at 12%. The... (answered by Boreal)