# Algebra 2

posted by .

a total of \$1381.8 per year is received in interest from three investments. the interest rates for the three investments are 4.9%, 7.5%, and 8.6%. the 4.9\$ investment is half of the 7.5% investment and the 7.5% investment is 1400 less than the 8.6% investment.
find the amount of the 4.9% investment in units of dollars
find the ammount of the 7.5% investment in units of dollars
find the amount of the 8.6% investment in units of dollars

• Algebra 2 -

let the three amounts be x,y,z respectively.

.049x + .075y + .086z = 1381.80
x = y/2
y = z-1400

x = 3400
y = 6800
z = 8200

## Similar Questions

1. ### college alg HELP!

I cannot figure a way to do this problem: An investment of \$98,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, …
2. ### college alg help!

cannot figure a way to do this problem: An investment of \$98,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, and …
3. ### Algebra

an investment of 72,000 was made by a business club. the investment was split into three parts and lasted for one year. the first part of the investment earned 8% interest. the second 6% and the third 9%. total interest from the investments …
4. ### COLLEGE ALGEBRA

An investment of \$63,000 was made by a business club. The investment was split into three parts and lasted one year. The first part of the investment earned 8% interest, the second 6% and the third 9%. Total interest from the investments …
5. ### COLLEGE ALGEBRA

An investment of \$63,000 was made by a business club. The investment was split into three parts and lasted one year. The first part of the investment earned 8% interest, the second 6% and the third 9%. Total interest from the investments …
6. ### ALGEBRA

An investment of \$93,000 was made by a business club. the investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second earned 6% and the third 9%. total interest from …
7. ### Precalc

An investment of \$37,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, and the the third 9%. Total interest from …
8. ### algebra

an investment of \$50,000 was made by a busines club. the investment was split into three parts and lasted for one year.the first part of the investment earned 8% interest, the second 6%, and the third 9%. total interest from the investments …
9. ### Algebra

An inheritance of \$19,000 was divided among three investments yielding a total of \$1490 in simple interest per year. The interest rates for the three investments were 5%, 7%, and 10%. The 5% and 7% investments were \$4000 and \$1000 …
10. ### Brokport

An investment of \$180,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, and the third 9%. Total interest from the …

More Similar Questions