Posted by Emmett on Saturday, July 28, 2012 at 9:11pm.
Let x be the amount invested at 2% interest and y be the amount invested at 4% interest
x + y = 6200
0.02x + 0.04y = 148
Solve that pair of equations.
0.02x + 0.04(6200 -x) = 148
-0.02x + 248 = 148
0.02x = 100
x = 5000.
y = 1200
The simple interest paid on a loan after 6 months was $306. The annual interest rate was 8%. Find the principal.
can't figure it out yet let me know how it goes
Related Questions
math - Suppose $500 is divided into two bank accounts. One account pays 15% ...
Social Studies - I was wondering if I could check my answers with someone. I'...
math - jack invested $4000 in two accounts. one pays simple interest at the rate...
Algebra - An investment adviser invested $14,000 in two accounts. One investment...
Intermidiate algebra - a woman ivests in two bank accounts, one with a 3% ...
math - Samantha opened a savings account and deposited some money into the ...
algebra - Hassan deposited $7,500 into a bank account. At the end of 3 years, ...
Algebra - an algebra student won $115,000 in a lottery and wishing to deposit it...
Math 81 - How can $60,000 be invested, part at 7% annual simple interest and the...
MATH - An investment adviser invested $14,000 in two accounts. One investment ...
For Further Reading