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Word Problems: Money, Business and Interest

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Question 187524: Solve the problem: Joe has a collection of nickels and dimes that is worth $6.00. If the number of dimes was doubled and the number of nickels was increased by 6, the value of the coins would be $9.90.
How many dimes does he have?

Click here to see answer by ankor@dixie-net.com(6685)

Question 187625: Car rental agency A will rent a compact car for $35 per day and an additional charge of $0.24 per mile. Car rental agency B will charge only $0.16 per mile but charges $41 per day. If Adam wanted to rent a car for three days, how many miles would Adam have to drive to make car rental agency B a better bargain?
Click here to see answer by checkley77(7032)

Question 187672: To predict averge salary for 2005? 1991 $ 275000 and 2001 $1470,000
I also need to know the average salary for 2010? by using 2001 and 1991 amounts
Click here to see answer by stanbon(26249)

Question 187643This question is from textbook College Algebra A Graphing Solution
: I'm not sure how to do this problem. Thanks for your help.
#74. Production
An electronics company has fixed costs of $25,000 per month and a variable cost of $18.65 per 13 inch tv/vcr combination manufactured. (Fised costs are those that occur regardless of the level of production)
a) Write the total monthly costs C as a funciton of the number of units x produced.
b) Use a graphing utility to graph the cost funciton.
c) Use the graph from part b to approximate the number of units that can be produced per;month if total costs cannot exceed $200,000. Verify algebraically. Is this problem better solved algebraically or graphically? Explain.
This question is from textbook College Algebra A Graphing Solution

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Question 187781: 4217.9 ROUND TO TWO DECIMAL PLACES
Click here to see answer by Alan3354(6047)

Question 187936: "Find the difference between the simple interest and the compound interest that would be earned from $1,000 invested for 2 years at 5%."
Please show your work so I can understand. I dont know how to solve this problem and I've been stuck on it for a while so please help me if you can.
Thank you
Click here to see answer by checkley77(7032)

Question 188039: Please help me sovle this i am totally stuck. Please and thank you.
Andie received a bill from her mechanic for $258. If she pays the bill early, she recives a 5% discount off the total. How much would Andie have to pay if she pays the bill early?
Click here to see answer by Earlsdon(4898)

Question 188191: A high school class wants to raise money by recycling newspapers. The class decided to rent a truck at a cost of $150 for the week. The market price for recycled newspapers is $15 per ton. Write an equation representing the amount of money the class will make based on the number of tons of newspapers collected.
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Question 188264: Find the total simple interest on $6,000.00 invested at 9% for 5 years.
I am very rusty in this area, and am not sure how to figure it out. Thank you! Jessica
Click here to see answer by Mathtut(3670)

Question 188262: Find the total simple interest on $6,000.00 invested at 9% for 5 years.
I do not remember how to work with percentages or how to figure out these sort of problems. Thank you! Jessica
Click here to see answer by Mathtut(3670)

Question 188371This question is from textbook An Applied Approach
: Two investments earn an annual income of $575. One investment earns an annual simple interest rate of 8.5%, and the other investment earns an annual simple interest rate of 6.4%. The total amount invested is $8,000. How much is invested in each account?This question is from textbook An Applied Approach

Click here to see answer by Mathtut(3670)

Question 188416: Someone invests some money at 7% and 39000 more than 3 times the amount at 7%. The total interest earned is 39050. How much was invested at each amount? Thanks for any help.
Click here to see answer by josmiceli(3003)

Question 188447: "A merchant purchased $10,000 worth of computer equipment and sold it at a 70% markup. If his other expenses came to $4,000, what was his profit?"
I'm not sure how to solve this so please show your work so I can understand.
Thank you :)
Click here to see answer by stanbon(26249)

Question 188472: "Find the difference between the simple interest and the compound interest that would be earned from $1,000 invested for 2 years at 5%."
I asked this question a few days ago, but I dont understand the answer that was given. So if anyone can explain it better that would be great.
Thank you (and sorry for having to ask it twice)
Answer given: 1,000(1+.055)^2
1,000(1.055)^2
1,000*1.113=$1,113.03 amount of the investment after 2 years.
Click here to see answer by Mathtut(3670)

Question 188494This question is from textbook

: A group of students agreed that each would chip in the same amount to pay for a party that would cost $100. Then they found 5 more students interested in the party and in sharing the expeneses. This decreased the amount each had to pay by $1. How many students were involved in the party and how much idid each student have to pay?
thanks againThis question is from textbook

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Question 188523This question is from textbook

: A retailer bought a number of special mugs for $48. She decided to keep two of the mugs for herself but then had to change the price to $ 3 a mug above the original cost per mug. If she sells the remaining mugs for $70, how many mugs didi she buy and at what price per mug did she sell them?
ThanksThis question is from textbook

Click here to see answer by ankor@dixie-net.com(6685)

Question 188524This question is from textbook

: Tony bought a number of shares of stock for $720. A month later the value of the stock increased by $8 per share, and he sold all but 20 shares and received $800. How many shares did he sell and at what price per share?
thanksThis question is from textbook

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Question 188476: A manufacturer finds that the revenue generated by selling x units of a certain commodity is given by the function R(x)= 240-0.4x^2 , where the revenue R(X) is measured in dollars. What is the maximum revenue? And how many units should be manufactured to obtain this maximum?
Click here to see answer by solver91311(5072)

Question 188298This question is from textbook Teaching Textbook
: Annie-Sophie invested some of her $20,000 in bonds that made an 8% profit and the rest in bonds that made a 7% profit. If the profit on the 8% bonds was $700 more than the profit on the 7% bonds, how much did Anne-Sophie invest in the 7% bonds?This question is from textbook Teaching Textbook

Click here to see answer by jojo14344(1483)

Question 188665: A pair of cuff links was marked up $225 from cost, which amounts to a 50% increase. Find the original cost of the pair of cuff links
Click here to see answer by nerdybill(2446)

Question 188668: Elaine was charged $195 interest for 1 month on a $1000 credit card balance. What was the monthly interest rate?
Click here to see answer by nerdybill(2446)

Question 188831: John has $10,220 to invest. He invests part of his money in a CD at 5% interest and the rest in a savings account at 3.5%. If he earns $442.60 after on year, how much was invested in each account?
Click here to see answer by checkley77(7032)

Question 189004This question is from textbook saxon algebra 2
: A savings account earns interest at an annual rate of 5%, compounded continuously. If the account begins with a value of $2000, what will its value be after 4 years?
A=Pe^rt
A=(2000)e^(0.05)(4)
A=?
When I type this into my calculator, I know I'm getting the wrong answer.
Can someone please help!This question is from textbook saxon algebra 2

Click here to see answer by jim_thompson5910(13785)

Question 188911: The marketing department at the John Deere company has found that the revenue from the sales of heavy-duty tractors is a function of the unit price, p, in dollars If the revenue, R is given by
R(p) = - p2 + 1900p

What unit price should be established in order to maximize revenue? (use the vertex formula.)
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Question 189171: I am starting a new job. They said they will pay me $650 on the 15th and the 30th of every month.I would make $1300 a month. There are different number of days in each month. How do I know what I make daily of each month?
Click here to see answer by nerdybill(2446)

Question 189313: Mark has 56 coins totalling $7.10. If he has only dimes and quarters, how many of each coin does he have?
Click here to see answer by checkley75(3666)

Question 189312: A total of 925 tickets were sold for $5,925. If adult tickets cost $7.50, and children's tickets cost $3.00, how many tickets of each kind were sold?
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Question 189504: A shopkeeper buys an article for 38 dollars. What should the selling price be if the profit was 30%of the cost?
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Question 189508: The number of Peggy's 20 cents coins is 4 times that of her $5 coins. If the total amount of these coins is $17.40, how many 20 cents coins does she have?
Please answer...I thank you in advance!!:)
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Question 189516: 96. Amount of an investment. The amount of an investment of P dollars for t years at simple interest rate r is given by A = P + Prt.
a) Rewrite this formula by factoring out the greatest common factor on the right-hand side.
b) Find A if $8300 is invested for 3 years at a simple interest rate of 15%.
74. Rectangular stage. One side of a rectangular stage is 2 meters longer than the other. If the diagonal is 10 meters, then what are the lengths of the sides?

92. Glass prism. One end of a glass prism is in the shape of a triangle with a height that is 1 inch longer than twice the base. If the area of the triangle is 39 square inches, then how long are the base and height?

Click here to see answer by feliz1965(151)

Question 189515: 86).Selling shirts. If a vendor charges p dollars each for rugby shirts, then he expects to sell 2000 - 100p shirts at a tournament.
a) Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each.
b) Find R(5), R(10), and R(20).
c) Use the bar graph to determine the price that will give the maximum total revenue.

Click here to see answer by feliz1965(151)

Question 189683: $3000 are divided between two sons so that the elder son receives $200 more than two-thirds the share of the younger son. How much does each receives?
Please help!!!!! Thank you for saving my life!!:):):)
Click here to see answer by jim_thompson5910(13785)

Question 189687: How can $6300 be invested, one part at 4% p.a. and the remainder at 5% p.a., so that the simple interest will be the same on each investment?
Thanks for helping me!
Click here to see answer by jim_thompson5910(13785)

Question 189860This question is from textbook

: Sherry bought a number of shares of stock for $250. Six months later the value of the stock had increased by $5 per share, and she sold all but 5 shares and regained her original investment plus a profit of $50. How many shares did she sell and at what price per share?
thank you, I will be able to solve it once I know how to set it up.This question is from textbook

Click here to see answer by solver91311(5072)

Question 189932: this is a fourth grade math problem. I need help. Total sales for the 9pm and 11pm shows were $602. Tickets for the 11pm show are $2 less than the 9pm show. How much were the ticket for eacj=h show?
9pm total tickets sold were 56 and 11pm total tickets sold were 42,
Please please help me
kammikam
Click here to see answer by stanbon(26249)

Question 189936: p=3500 r=8% and t-14 compounded semiannually
Click here to see answer by jojo14344(1483)

Question 189824: Kevin invested part of his $10,000 bonus in a deposit that paid 6% annual simple interest, and the remainder in a mutual fund that paid 11% annual simple interest. If his total interest for that year was $900, how much did Kevin invest in the mutual fund?
Click here to see answer by jojo14344(1483)

Question 189993: In the period of a year, an investor lost twice as much as he gained . If he originally had $10,000 and now has $8,000 , what amount did he gain and what did he lose?
Click here to see answer by stanbon(26249)

Question 190123This question is from textbook Mathmatics with Applications
: The cost of revenue function (in dollars)for a frozen yogurt shop are given by:
C(x)=400x+400 and R(x)=100x,
X+4
hint: it should be 400x+400 over x+4
Where x measured in hundred units.
a. Graph C(x) and R(x) on the same axes
This question is from textbook Mathmatics with Applications

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Question 190198: One man received 15% more than another man when they shared an inheritance of
$4,300. How much did each man receive?
Click here to see answer by Mathtut(3670)

Question 190266: A person invested $16,000, part of 8% and the remainder at 6%. If the total yearly intrest from these investments was $1180, find the amount invested at each rate.
Click here to see answer by josmiceli(3003)

Question 190307: Lynn invested some money at 8%, and then invested $3000 more than twice this amount at 9%. His total annual income from the two investments was $3390. How much was invested at 9%?
Click here to see answer by jojo14344(1483)

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