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Question 910026: Two bank loans, one for $5000 and the other for $3000, cost a total of $550 in interest for one year. The $5000 loan has an interest rate of 3% lower than the interest rate for the $3000 loan. Find the interest rate for each loan.
Here's what I have so far but when I check my solution it doesn't work out.
x(3000)+ x(5000-0.03)=550
3000x + 5000x - 0.03x=550
7999.97x = 550
x=0.0687502578
Not sure what I am doing wrong
Click here to see answer by richwmiller(17219)

Question 910029: The Theatre Club sold a total of 415 tickets. The adult tickets cost $5 and the children's tickets cost $3. If $1,615 was collected, how many adult tickets were sold?
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Question 910107: Sammy gets paid for every phone book he delivers according to the graph shown at the right. What does he earn per phone book?
Click here to see answer by Alan3354(69443)

Question 910238: tutor help on this pls pls pls. One number is twice another, and the sum of their reciprocals is 3. What are the numbers?
Click here to see answer by Lenzky(18)

Question 910304: each ticket is 50 cents. the students have to raise $7500. how many tickets do the students need to sell to make $7500?
Click here to see answer by ewatrrr(24785)

Question 910411: $5000 is invested
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Question 910661: Write the intercept form of the equation of the line with intercepts (a, 0) and (0, b). The equation is given below.
x/a + y/b =1. a is not equal to 0, b is not equal to 0.
x intercept: (-7/3, 0)
y intercept: (0, -3)
Click here to see answer by josgarithmetic(39614)

Question 910678: A barrel has two filling pipes and one draining faucet. One pipecould fill the barrel in 2 hours and the other could fill it in 2� hours. The faucet could empty the barrel in 4 hours. How long will it take to fill the barrel if both pipes are filling and the draining faucet is opened?
Click here to see answer by josgarithmetic(39614)

Question 910639: Arturo caras sold a pair of shoes for P80 more than four times the cost of the material. if he sold the pair of shoes for P520, how much did he pay for the material? All units are in peso sign. Thanks!
Click here to see answer by Lenzky(18)

Question 910777: The profit , in dollars made by selling x bottles in 100%. All Organic Sasquatch Tonic is given by =x^2+25x-100 for 0
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Question 910777: The profit , in dollars made by selling x bottles in 100%. All Organic Sasquatch Tonic is given by =x^2+25x-100 for 0
Click here to see answer by stanbon(75887)

Question 910798: Leila deposits
$6000
into an account that pays simple interest at a rate of
6%
per year. How much interest will she be paid in the first
6
years?

Click here to see answer by ewatrrr(24785)

Question 910824: Larry Mitchell invested part of his $19000 advance at 8% annual simple interest and the rest at 4% annual simple interest. If his total yearly interest from both accounts was $1440, find the amount invested at each rate?
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Question 910855: $450 is a 8% increase of a certain number?
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Question 910855: $450 is a 8% increase of a certain number?
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Question 910817: An investment offers to quadruple your money in 15 months (don't believe it).
What rate per three months are you being offered? I got 21.25% Could you show me where I went wrong please?
Click here to see answer by LinnW(1048)

Question 910872: Mike has dimes and quarters. He has 18 coins. Mike has a total of $4.20. How many of each does he have?
Click here to see answer by ewatrrr(24785)

Question 910861: Chris deposits
$200
into an account that pays simple interest at a rate of
5%
per year. How much interest will he be paid in the first
3
years
Click here to see answer by ewatrrr(24785)

Question 910909: Barneys money earned $204 in interest after 1 year. He invested some of is money in an account earning 6% simple interest and $450 more than that account earning 5% simple interest. Find the amount Barney invested in each account.
Click here to see answer by richwmiller(17219)

Question 910906: Rachel Rays has a total of $4,500 to invest for 1 year. She Deposits $3,000 into an account earning 6.5% annual simple interest and the rest into an account earning 8% annual simple interest. How much did Rachel earn?
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Question 910875: You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,100 should be invested at 12% and how much at 6% so that the total return on the entire $1,550 is 9%?
Click here to see answer by richwmiller(17219)

Question 910913: How would you write this equation in simplest form?: Joe earns a base salary of $300 plus 3% commision on sales. How much would Joe need to sale to make $450?
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Question 910928: Two people invest in car, first person invests $2000, second person invests $4000, total invested $6000. Car sells for $11,000. How is profit split?
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Question 910877: A radiator contains 5 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 35% antifreeze?
Click here to see answer by richwmiller(17219)

Question 910675: Two business partners decided to borrow $30,000 start-up money for their business. One borrowed a certain amount at a 16.5% interest rate and the other one borrowed the rest of the money at a 12.5% interest rate. How much money did each business partner borrow if the total interest amount at the end of the year was $4150
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Question 911006: Tony invested in two bank accounts, the first with 5% annual interest and the second with 8% annual interest. For the one with 8%, he deposited $1500 more than the one with 5%. After a year his interest was $510. How much did Tony deposit on each account originally?
Click here to see answer by richwmiller(17219)

Question 911025: $6000 dollars is invested in two accounts earning .6% and .5% interest. The total earnings from the investments in a year is $350. How much was invested in each account?

-I tried creating two equations..
x+y=6000
.06x+.05y=350
Then I tried using the substitution to solve for x, and got stuck there.
Click here to see answer by richwmiller(17219)

Question 911034: Roland deposits money into two separate savings accounts on the same day. He deposits $600 into account A, which is compounded continuously at an annual interest rate of 4%. Into account B, he deposits $400, which is compounded continuously at an annual interest rate of 8%. Both accounts are invested for n years after the initial deposit.
Part A: Write an exponential function for each account to represent the balance n years after Roland's initial deposit.

Click here to see answer by richwmiller(17219)

Question 911082: A man invests a portion of $3,600 at 8% annual interest at balance at 7%. If he receives $264 interest during the first year, how much did he invest at each rate?
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Question 911078: Phoebe wishes to invest $20,000 part at 7% interest and the rest at 6.5% if her total income from the two investment for one year is $1370 how much should she invest at each rate?
Click here to see answer by mananth(16946)

Question 911061: Miguel invested his savings in two investment funds. The amount he invested in fund A was 3x as much as the amount he invested in fund B. Fund A returned a 7% profit and fund B returned a 2% profit. How much did he invest in fund B, if the total profit from two funds together was $2070?
Click here to see answer by mananth(16946)

Question 911178: James invested cash in two bonds. He chose to invest $2000 more in Bond B than in Bond A. He earned a 6% return on Bond A and a 10% return from Bond B. If he earned a total return of $2200 from the two bonds, how much did he invest on Bond A?
Click here to see answer by richwmiller(17219)

Question 911081: A clothing store sells men's shirts at $152 and $205 per shirt the store sells 32 shirts and tickets in $5659 how many shirts at each price does the store sells?
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Question 911184: Jack and Jill both made investments in the stock market but Jill decided to invest more than Jack. Jill's investment earned her 5% interest while Jack earned 9% interest. If they both made the same amount of money, how much did Jack invest?
Click here to see answer by richwmiller(17219)

Question 911140: Bob earns 1400 pund a moth and gets a 5% increase in March how much will he get now 😥
Click here to see answer by MathTherapy(10549)

Question 911280: Mary deposited $5500 in an account earnings 5.5 % interest. How long will it take for her investment to earn $205 in interest? Round to the nearest day.
I would like to know how to solve this equation.
Thank you!
Click here to see answer by ewatrrr(24785)

Question 911327: The current population of a small city is 28000 people. Due to a loss of jobs, the population is decreasing by an average of 250 people per year. How many years (from now) will it take for the population to decrease to 24500 people?
Click here to see answer by rfer(16322)

Question 911306: Staty Geom has a total investment at $24000 at two interest rates: 7% and 9%. If she invested thrice as much amount at 9% than 7%. How much interest will the investment gain in a year?
Click here to see answer by richwmiller(17219)

Question 911346: You have already invested $450 in a stock with an annual return of 11%. How much of an additional $1,200 should be invested at 12% and how much at 6% so that the total return on the entire $1,650 is 9%?
Click here to see answer by lwsshak3(11628)

Question 911382: a carpenter can construct bookcases at a cost of 40 each. if the carpenter sells the bookcases for x dollars each, it is estimated that 300-2x bookcases will be sold per month. determine the selling price of each bookcase that will give the carpenter the greatest monthly profit.
Click here to see answer by stanbon(75887)

Question 911462: You have already invested $300 in a
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Question 911496: Sang invested some money at 14% interest. Sang also invested $65 more than 4 times that amount at 7%. How much is invested at each rate if Sang receives $771.89 in interest after one year? (Round to two decimal places if necessary.)
Click here to see answer by richwmiller(17219)

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