Questions on Word Problems: Money, Business and Interest answered by real tutors!

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Question 554767: Hello, my algebra word problem is this "Use two variables and two equations to solve the problem. Part of $9000 was invested at 10% interest and the rest at 12%. If the annual income from these investments was $1020 how much was invested at rate?
Click here to see answer by ankor@dixie-net.com(15622)

Question 555318: The original price of a T–shirt is $25. After the discount, the new price is $17. What is the price discount as a percent?
Click here to see answer by stanbon(57211)

Question 555545: Please help me fund the answer to this question : Describe and correct the error in finding the total cost of a $49 meal with 6% sales tax and an 18% tip.
Toatal Cost = 49 + (0.6 + 0.18)(49)
= 49 + (0.78)(49)
= $87.22

Click here to see answer by richard1234(5390)

Question 555618:
Jill Roger borrowed $16,000 to buy a new boat. Assuming an interest charge of $2,900 what will be her monthly payment if she takes 30 months to repay the loan (+interest). Assume the loan is repaid in equal payments.
Click here to see answer by mathstutor494(95)

Question 555985: The ratio of oranges to grapefruit is 3:2. If there ae 60 fruits, the number of oranges is

Click here to see answer by jim_thompson5910(28476)

Question 556132: If interest is compounded continuously, at what annual rate will a principal double in 20 years? Give the answer as a percentage correct to two decimal places.
Click here to see answer by bucky(2189)

Question 556175: "By selling a shirt for Rs 135 ,a shopkeeper losses 10%. How much percent would he gain or loss by setting it for Rs 177? "
Click here to see answer by Theo(3458)

Question 556181: You received a $5 an hour pay raise. Your original pay was $22 an hour. What percent of a pay raise did you get ?
Click here to see answer by Theo(3458)

Question 556229: "A carpenter sells a center table for Rs 322, getting (1/6) of its cost price. Find his gain percent."
Click here to see answer by Theo(3458)

Question 556128: I have a few similar questions, so I preferred submitting them in a single question rather than in a different one. I hope that is alright.
1. What annual rate compounded continuously is equivalent to an effective rate of 5%?
2. What annual rate r compounded continuously is equivalent to a nominal rate if 6% compounded semi-annually?
3. If interest is compounded continuously at an annual rate of 0.07, how many years would it take for a principal P o triple? Give your answer to the nearest year.

Click here to see answer by ankor@dixie-net.com(15622)

Question 556303: Sue invested 10,000, part at 3.8% annual intrest and the balance at 7% annual intrest. How much is invested at each rate if a 1 year intrest payment is 603.68
Click here to see answer by josmiceli(9645)

Question 556302: How much money is 16 2/3% of $1200.00
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Question 556680: an item is $55 with a 20% discount and 5% sales tax,what is the total cost
Click here to see answer by kkasko(46)

Question 556815: $10,000.00 dollars compounded daily at 1.5% interest is how much after 12 months?
Click here to see answer by Theo(3458)

Question 556846: a carpenter sells a centre table for rupees 322 , getting (1.6)th of its cost price . find his gain percent
Click here to see answer by stanbon(57211)

Question 556906: bill sold 50 tickets for 180$ if kid tickets are 3$ and adult tickets are 5$ how many did he sell of each
Click here to see answer by Maths68(1474)

Question 556964: Jennifer bought K articles for a cents each. To pay for the articles, she gave the clerk Q quarters. How many cents did she get in change?
Click here to see answer by jay67895(3)

Question 556752: grace has 6 jellybeans in her pocket. She has 8 red ones,4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?
Click here to see answer by jay67895(3)

Question 555356: Danielle spends $60 on gardening supplies. Tax is 6.5%. How much does she spend in all?

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Question 557304: in 1999 the tuition for one year at a university was $24,165. each year the tuition increased by 6.15% each year.
A. write the equation to represent the situation.
B. what is the tuition in 2007
C. in what year did the tuition reach $30,000
Click here to see answer by stanbon(57211)

Question 557361: If 3x+c=4, then x equals what?
How do you do the above problem?
Click here to see answer by Theo(3458)

Question 557361: If 3x+c=4, then x equals what?
How do you do the above problem?
Click here to see answer by bucky(2189)

Question 557477: in planning her retirement, lliza deposits some money at 4% interest, with twice as much deposited at 4.5%. find the amount deposited at each rate in the total annual interest income is 2340.
Click here to see answer by Earlsdon(6287)

Question 557701: Hello i have a problem with the current problem. The problem is this:
Jen invested $6000, part at 10% and the rest at 5%. If the annual income from both investments was the same, find her total annual income from both investments.
The choices include:
A)$200
B)$250
C)$300
D)$350
E)$400
Click here to see answer by Earlsdon(6287)

Question 557745: ms. burke invested $27,000 in two account one yeilding 7% interest and the other 8%. If she received a total of $2,060 in interest at the end of the year, how much did she invest in each account?
Click here to see answer by mananth(12270)

Question 557940: The ratio of income of two persons is 9:7. The difference in their weekly incomes is $200. What are their weekly incomes?
I'm not sure how to set this up in a system of equations, after i get the equation I'll be able to solve it.

Click here to see answer by scott8148(6628)

Question 479067: Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out for both problems thank you.
1). A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next 10 feet will cost $150, etc. How much will it cost to build a 90-foot tower?
Click here to see answer by lataks(1)

Question 558038: Jordan deposited $1,000 into TD Bank at 2.8% annual interest, compounded monthly. Determine the value of her account after 15 years.
Click here to see answer by stanbon(57211)

Question 558153: kathy borrowed 3300 from the bank in first year of college. how much will she owe at the end of 3 years if her loan is at 6% per year, compounded quarterly?
Click here to see answer by mananth(12270)

Question 558161: Nicole's investments doubled from $1000 to $2000 over 8 years. she knows that the interest was compounded quarterly. what annual rate did she get on her investment?
Click here to see answer by mananth(12270)

Question 558173: Suppose that I will pay you $8.00 for every problem in this chapter that you solve correctly but you have to pay me $5.00 for every problem done incorrectly. If at the end of the 26 problems neither of us owe each other any money, how many problems did you solve correctly?
Click here to see answer by mananth(12270)

Question 558194: Craig opens a savings account with $850. His account earns 3% annual simple interest. How much interest will Craig earn in 18 months?
Click here to see answer by rfer(12644)

Question 558414: if you want 5000 dollars in 3 years, what is your initial deposit if it is compounded continuously at 4.5%
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Question 558408: During the Holidays the store sells a total of $9,000. It was 60% of the total sales for the year. How much did the store make for the year?
Click here to see answer by rfer(12644)

Question 558774: Lillian is about to invest $20,000, part at 3% and the rest at 4%. What is the most that she can invest at 3% and still be guaranteed atleast $650 in interest per year? Thank you!
Click here to see answer by mananth(12270)

Question 558908: determine the future value of education of jenny franklin estimates that a result of completing her master's degree, she will earn 7000 a year more for the next 40 years. what would be total amount of these additional earning
Click here to see answer by Theo(3458)

Question 559245: Danny invested some money at 3% simple interest and some money at 7% simple interest. The amount invested at the higher rate was $3,000 more than the amoung invested at the lower rate. If the total interest on the investments for 1 year was $810, then how much did he invest at each rate.
Click here to see answer by mananth(12270)

Question 559308: You recently won the lottery and received a check for $20,000. You decide to place part of your money in a savings account paying 8% per year and part in a certificate of deposit paying 7% per year. If you wish to obtain an overall return of $1500 per year, how much would you place in each investment?
Click here to see answer by richwmiller(9135)

Question 559519: A builder of tract homes reduced the price of a model by 15%. If the new price is $170,000, what was its original price? How much can be saved by purchasing the model?
Click here to see answer by josmiceli(9645)

Question 559826: Sam did 4 loads of laundry and it cost her $9. She did 6 loads of laundry and it coat her $13.50. Assume a linear relationship exists between the cost and the number of loads of laundry. How much will Sam pay for 5 loads of laundry?
Thank You for the help.
Click here to see answer by josmiceli(9645)

Question 560039: if you buy stock at $18,000 and later sell it for $15,000, what is your return in dollars
Click here to see answer by josmiceli(9645)

Question 560097: Below is my problem, I am only supposed to set this problem up as an algebraic expression without actually solving. Beneath it is what I have come up with, but I don't think it's finished.
1.A man buys five DVDs for $66.34, including 7% sales tax. How much did each DVD cost?
66.34 = x/5 + .07x
Click here to see answer by scott8148(6628)

Question 560131: I have story problems I have to get an equation for and solve. I try to draw out tables to help me figure out the equations but I have a rough time finding the right spot to put everything in. Can you help me?
Here is the problem:
A certain sum of money is invested at 6.35%, and $4000 more than that amount is invested at 7.28%. If the annual interest from the two investments is $972.70, how much was invested at 6.35%?

My table I made using the formula I=P*R*T
I = P * R * T
INVEST 1 635X X 635 1
INVEST 2 728(4000-X) 4000-X 1
TOTAL 972.70 4000
Can you please explain what I did wrong and how to do it right and show me what the equation is?
Thanks!! :)
Click here to see answer by ankor@dixie-net.com(15622)

Question 560143: how do I figure out how much I will spend in gas if a car gets 20 miles per gallon?
Click here to see answer by josmiceli(9645)

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