algebra
posted by Briana .
Calvin invested $7500 for one year, part 12% annual interest and the rest at 10% annual interest. His total interest for the year was $890. How much money did he invest at 12%?

part at 12%  x
part at 10%  7500x
solve for x ....
.12x + .10(7500x) = 890
Respond to this Question
Similar Questions

Math
Rosa invested $8000 for one year, part ast 8% annual interest and the balance at 10% annual interest. Her total interest for the year was $700. How much money did she invest at each rate? 
algebra
HELP! Please Calvin invested $7500 for one year, part 12% annual interest and the rest at 10% annual interest. His total interest for the year was $890. How much money did he invest at 12%? 
prealgebra
You split $1500 between two savings accounts. Account A pays annual 5% interest and Account B pays 4% annual interest. After one year,you have earned a total of $69.50 in interest. How much money did you invest in each account? 
Algebra 2 & trig
joanna invested $7500, part at a 5.5% and the remainder at a 6% annual rate of interest. if she collected a total of 435 in interest at the end of one year, how much money was invested at each rate? 
Math
tracy invested $6000 for one year, part at 10% annual and the balance at 13% annual interest. her total interest for the year was $712.5. how much money did she invested at each rate? 
math
Rosa invested $8000 for one year, part ast 8% annual interest and the balance at 10% annual interest. Her total interest for the year was $700. How much money did she invest at each rate? 
algebra
mary had 25000 dollars to invest. she invested part of that amount at 3% annual interest and part at 5% annual interest for one year. the amount of interest she earned for both investments was 1100. how much was invested at each rate 
Algebra
Kim invested a total of $1500 in two accounts. One account paid 2% annual interest and the other paid 4% annual interest. After one year, Kim earned $44 in interest. How much did she invest in each account? 
Algebra
Alex deposited $7500 in a year. The annual interest fees were at 12% and 10% respectively. The total interest payed was $890. How much was paid at the 12% fee. I got as far as the equation portion of the problem. I was somewhere around … 
algebra
sam saved his money until he had $10000 to invest.he invested x dollars into certificate of deposit (cd) with an annual interest rate of 2% and the remaining y dollars into a mutual fund with annual interest of 1.5% total interest …