# Questions on Algebra in Finance answered by real tutors!

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 Algebra in Finance Solvers Lessons Answers archive Quiz In Depth

 Question 108442: 23x+10-4x+54 Click here to see answer by checkley71(8403)

 Question 108953: If 3 doughnuts and 2 cookies equal 2.98. And 1 doughnut and 3 cookies equal 2.23. How much does 1 doughnut and one cookie equal. Click here to see answer by bucky(2189)

 Question 109005: I'm having trouble figuring out how to set up an equation for this word problem. Thanks for any help you can give me. "Mr. Nielsen invested \$250,000 in two different automobile companies. The first earned a 5% profit, and the second earned a 10% profit. If Mr. Nielson made 3 times as much profit from the 10% investment as he did from the 5% investment, how much did he invest in the company that made 5%?" Thanks, Dee Click here to see answer by scott8148(6628)

 Question 109024: Computer City sells batteries (\$3) and small boxes of pens (\$5). In August total sales were \$960. Customers bought 5 times as many batteries as boxes of pens. How many of each did computer city sell? Check your answer. Thanks! Click here to see answer by stanbon(57262)

 Question 109016: Linda and James sell homes for ERA Realty. Over the past 6 months they sold 120 homes. Linda sold 3 times as many as James. How many did they each sell? Thanks so much for your help! Click here to see answer by scott8148(6628)

 Question 109015: A roll of Glad Wrap sells for \$2.99 a roll. A roll of Press'N'Seal sells for \$3.79 or 5 cents per square foot. Press'N'Seal sells for 10/3 times as much per square foot as Glad wrap. What is the proce of Glad Wrap per square foot? Thanks so much for your help! Click here to see answer by ankor@dixie-net.com(15641)

 Question 109025: At GE, shift one produced 4 times as much as shift two. GE's total production for July was 5,500 jet engines. What was the output for each shift? Thanks! Click here to see answer by edjones(7569)

 Question 109978: Hi, this is my first time using this site so sorry if my question is directed towards the wrong person but I am hoping I can be helped!! I must solve this problem by factoring: After working the problem out I came to the conclusion that x=-4 x=-4. If this is wrong could you please explain to me why, thank you! Click here to see answer by scott8148(6628)

 Question 110094: Simplify the expression. 17. 4c/9 + 8c/9 Any help with this equation would GREATLY appreciated. Click here to see answer by DEEEZZZYYY(1)

 Question 111021: I dont know how to set up these word problems... [how come they dont have a section for word problems ? O__O] Find three consecutive odd integers such that the sum of the two least integers is 11 more than the greatest integer.. A rectangular park was 15m(meters) longer than it was wide. When a border of bushes 0.5m(meters) wide was planted around the edges of the park, the area of the park increased by 56m2(meters squared). Find the original dimensions of the park. Marla has 3 dimes and half as many nickels as pennies. If her coins are worth 50cents in all, how many nickels does she have? Click here to see answer by scott8148(6628)
 Question 111021: I dont know how to set up these word problems... [how come they dont have a section for word problems ? O__O] Find three consecutive odd integers such that the sum of the two least integers is 11 more than the greatest integer.. A rectangular park was 15m(meters) longer than it was wide. When a border of bushes 0.5m(meters) wide was planted around the edges of the park, the area of the park increased by 56m2(meters squared). Find the original dimensions of the park. Marla has 3 dimes and half as many nickels as pennies. If her coins are worth 50cents in all, how many nickels does she have? Click here to see answer by oberobic(2304)

 Question 111376: I have been struggling with this equation and what I have come up with just does not sound right, could someone help me? Household Income. Alkena and Hsu together earn \$84,326 per year. If Alkena earns \$12,468 more per year than Hsu, then how much does each one of them earn per year? Click here to see answer by jim_thompson5910(28510)

 Question 111892: Hi! I realy need some help with this problem if anyone knows how to do it. The dollar mark-up is \$4.70 The percent mark-up on cost is 102.17% I need to know the cost as well as the selling price based on the information above and round to the nearest hundredth place. Thanks in advance for your help! Click here to see answer by stanbon(57262)

 Question 111904: Could someone please help me with this problem. I have been struggling for hours with it? By conversion of the markup formula, solve the following (round to the nearest whole percent as needed) 1. Percentage markup on cost=12.4% what is the percent markup on selling price? 2. Percentage markup on selling price= 13%. What is the percent markup on cost? Thanks in advance for your help! Click here to see answer by scott8148(6628)

 Question 113038: i need your help to solve this here it is the attendance at a baseball game was 400 people. student tickets cost \$2 and adult tickets cost \$3.total ticket sales were \$1050. how many tickets of each type were sold Click here to see answer by solver91311(16872)

 Question 113792: Can someone tell me if I did this right. The answer that I got was \$806.25/25%=32.25 \$806.25-32.25=\$774.00 The retail selling price of a sofa is \$806.25. What is the cost to the dealer if she sells at 25% markup on the cost? Click here to see answer by stanbon(57262)

 Question 114136: Please find two irrational numbers whose average is a rational number. Click here to see answer by Edwin McCravy(8883)

 Question 114174: Sue has \$75 to spend on shirts and shorts. The shirts are on sale for \$10 each, including tax, and the shorts are on sale for \$15 each, including tax. List all the number combinations of shirts and shorts Sue can buy to spend exactly \$75. Use mathematics to justify your answer. Click here to see answer by stanbon(57262)

 Question 114238: 1) use Euler's formula to determine the standard trigonometric identity for cos(alpha+beta). Click here to see answer by solver91311(16872)

 Question 114408: the fifth graders at mitzi bond are planning to throw an end of the year party at the country club pool. to rent the pool it coast \$500. the fee to pay the rent is \$2 for each student, and 4 dollars for each quest they bring. at least how many students and quest should attend the end o the year party at the country club pool? write an inequality to find how many guest and students should attend to pay for the counry clu pool? Click here to see answer by stanbon(57262)

 Question 114438: the fifth graders at mitzi bond are planning to throw an end of the year party at the county club pool. to rent the pool it coast \$500. the fee to pay the rent is \$2 for each student, and 4 dollars for each guest they bring. at least how many 5th graders and guest should attendthe end of the year party at the country club pool? write and solve an inequality to find how many guest and students should attend to pay for the country club pool? Click here to see answer by solver91311(16872)

 Question 114869: can u help me with 9-15+6*73 Click here to see answer by checkley71(8403)

 Question 115658: Find t to the nearest hundredth if \$1786 becomes \$2063 at 2.6% with interest compounded monthly. Click here to see answer by stanbon(57262)

 Question 115829: Please help me with this profit and loss calculation. The theater box office receipts for a movie "Ratio" for the past four weeks were \$15,000, \$12,000, \$12,000 and \$10,000. The theater owner pays the movie distributor the following percentages of the box-office receipts: 70% for each of the first two weeks, 60% for the third week, and 50% for the fourth week. Other operating expenses are \$4,500 per week. Did the theater make or lose money? Please explain the calculations. Thank you so much for your help. Click here to see answer by stanbon(57262)

 Question 115800: Please explain how to figure out the following math problem. Thank you in advance for your help in the problem solving. The theater box office receipts for the movie "Ratio" for the past four weeks were 15,000, 12,000, 12,000 and 10,000. The theater owner pays the movie distributor the following percentages of the box-office receipts: 70% for each of the first two weeks, 60% for the third week and 50% for the fourth week. Other operating expenses are \$4,500 per week. Did the theater make or lose money? Click here to see answer by josmiceli(9662)

 Question 115867: The question is this: "If Aaron and Jessica walked 2 mph to the docks, then road a jet boat for 46 mph to see Jeff and if the total distance was 21 mile and the total time was 5 hours...How far did they travel by boat? I tried this question by first dividing the MPH by 60 min (1 hour)... 1. 60min (1 hr)/46mph = 1.30434... then I multiplied that by 5 hrs and got 6.5217 for the miles Would this be correct???? Danyelle Click here to see answer by ptaylor(2048)

 Question 116150: I have been trying to solve this problem for a while. So can you please try and help me understand on how to get a sloution for this question. 5^3.5 I know the answer is 279.508497187473 What I do not understand is how they reached the answer. I know 5^3=125 and 5^4=625. But how do you calculate the .5? Thank you Crystal Click here to see answer by jim_thompson5910(28510)

 Question 116295: Jeff bought a dictionary for \$54.99, a hardcover novel for \$24.95, and a paperback mystery for \$4.49. After paying for these (no sales tax), he had \$2.51 left. How much money did Jeff have before he bought these books? Click here to see answer by maswartz(2)

 Question 116420: I know the answer to this problem, but I don't know how to set it up in an equation to show it. Here is the problem: Austin has 441 pennies that he finds very hard to carry around. So he takes them to the bank to cash in for other coins (half-dollars, quarters, dimes, nickels and pennies). What is the fewest coins he would need to carry? Thanks in Advance! Click here to see answer by checkley71(8403)

 Question 116745: Please Help me with this word problem. This is my last assignment and I am stuck on this, so if you can help I really apreciate it. Thank you The formula for calculation the amount of money retuened for an initial deposit into a bank account or CD is given by A=P(1+r/n) A is the amount of return P is the principal of intitial deposit r is annual interest rate(expressed as a decimal) n is the number of compound periods in one year t is the number of years carry all calculations to six decimals on each intermediate step round final number to nearest cent. Suppose you deposit \$4000 for 8years at a rate of 7% A) calculate the return(A) if the bank compounds annually(n=1) round to hundredth place B)calculate the return(A) if the bank compounds monthly (n=12) round to nearest hundredth place C) Does compounding annually or monthly yeild more interest? explain why D)If a bank compounds continuously then the formula used is A=Pe^n where e is a constant and equals approximately 2.7183 Calculate A with continuous compounding. round to nearest hundredth place E) How long will it take to double my money at 7% interest rate and continuous compounding. round to the nearest Hundredth place SHOW ALL WORK FOR A-E QUESTIONS THANK YOU AGAIN IN ADVANCE Click here to see answer by stanbon(57262)

 Question 117541: Bob invested \$22,000, part at 18% and part at 14%. If the total interest at the end of the year is \$3,360, how much did he invest at 18%? Click here to see answer by checkley71(8403)

 Question 117594: A member would like to borrow \$17,500 with a rate of 5.59% and the term is 60 Months. our system is calculating a monthly payment of \$333.62 and is equipped with an amortization schedule, when I use a regular calculator or an online calculator, it gives me a different amount. Could you please tell me the right formula on how to calculate the monthly payment and the interest that the member will end up paying after 60 months. Thank you. Click here to see answer by Fombitz(13828)

 Question 117554: T=p(1+r)^t 9 1/2=8000(1+8%)^9 1/2 Click here to see answer by Fombitz(13828)

 Question 117679: a paper clip is twelve over sixteen inches long.If you measured in One over four inches,what would the measurement be? Click here to see answer by stanbon(57262)

 Question 118249: Hello, I am trying to solve for the rate 980(1+r)^20 = 3725.37 I know the answer is 6.9% but I can't figure out how to get the answer on my own, any help would be greatly appreciated. Click here to see answer by stanbon(57262)

 Question 118486: Susan's change purse contains quarters, dimes, and nickels. She has twice as many nickels as quarters and four more nickels than dimes. She has a total of \$5.10. How many coins of each kind does Susan have in her purse? Click here to see answer by stanbon(57262)
 Question 118486: Susan's change purse contains quarters, dimes, and nickels. She has twice as many nickels as quarters and four more nickels than dimes. She has a total of \$5.10. How many coins of each kind does Susan have in her purse? Click here to see answer by killahzsmilez(5)

 Question 118509: 275000 is 85% of what number? Click here to see answer by tutor_paul(490)

 Question 118632: Jean are marked up 150% at Antoinette's Boutique. Today, they are all on sale. 20% off the usual retail price. If the wholesale price of jeans is \$20, how much do they sell for today? Click here to see answer by stanbon(57262)

 Question 118633: A sales representative is pd. a base salary of \$350 a month. She is also paid a commission of 20 % on all sales. If she sells \$14,000 worth of merchandise in 1 month, what is her paycheck for the month? Click here to see answer by mwsmith2(2)

 Question 118692: Number 6: Phil can furnish the garage in 12 hours, and Rick can do it in 10 hours. They work together for 3 hours. How long will it take Rick to finish the job alone? Click here to see answer by scott8148(6628)

 Question 119201: Using the formula I=prt, find the principal if you made \$200 interest in 2 years at 10%? Click here to see answer by stanbon(57262)

 Question 119198: What is the least posititve number of coins that is IMPOSSIBLW to give as change for a dollar? I am understanding this to mean what is the smallest number of coins that can't combine to make \$1. We charted it out starting at 1 (a dollar coin) 2 (two half dollars) 3 (hald dollar and 2 quarters) etc but are in the late 20s and still going. Is there a formula we could be using? THANKS!! Click here to see answer by Edwin McCravy(8883)

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