43. Investment Mixture A sum of $20,000 is invested in three mutual funds. In one yearthe first fund grew by 5%, the second by 7%, and the third by 10%. Total earnings forthe year were $1650. The amount invested in the third fund was four times theamount invested in the first fund. Find the amount invested in each fund.

Given: Total investment = $20,000

Answered: Investment Mixture A sum of $20,000 is…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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K William opened two investment accounts. The first year, these investments, which totaled $2800, yielded $167 in simple interest. Part of the money was invested at 6.5% and the rest at 5%. How much was invested at each rate? RETSE was invested at 6.5%, and $ was invested at 5%.
Zach invested in a term deposit that paid 4% per annum and in a municipal bond that paid 6% per annum. If he invested $13 000 and earned $700 interest in a year, how much did he invest at each rate?
James invests $7400 in two different accounts. The first account paid 10 %, the second account paid 6 % in interest. At the end of the first year he had earned $660 in interest. How much was in each account?$ at 10 %$ at 6 %
At the beginning of the year Anna invested a portion of her $90, 000revenue from the sale of her house in an account that earns 8% annualsimple interest, and the remainder in an account that earns 9% annualsimple interest. If at the end of the year, she earned total interest of$7760, how much did she invest in each account?
.... ....
Leah has two savings accounts with balances totaling $8,000. She withdrew 15% from one and 40% from the other. If she has $6,350 remaining in the accounts, how much money did she withdraw from the account with the larger balance?
A total of $6000 is invested for 5 yr with a total return of $1080. Part of the money is invested in a fund that returns the equivalent of 2% simple interest. The rest of the money is invested at 4% simple interest. Determine the amount invested in each account.
A shoe store marks up the price of its shoes at 130% over cost. A pair of shoes goes on sale for 15% off and then on the clearance rack for an additional 35% off. A customer walks in with a 10% off coupon good on all clearance items and buys the shoes. Express the store's profits on these shoes as a percentage of the original cost.
Bob invests $14000, part at 6% per annum and the rest at 9% per annum. After one year, he had earned $1095 from his investments. How much did Bob invest at each rate?
A couple invested $20,000 in two retirement accounts, one at an annual simple interest rate of 4% and the other at 3% annual simple interest. The combined interest from the two investments was $740 for the first year. Find the amount invested in each account. $ invested at 4% 2$ invested at 3%

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