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

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Question 929630: the student deposited 1,500 into a saving acount that earns 6 percent of simple interest. what is the ending balance for the second year
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Question 929626: If you put $600 in a savings account for 10 years and received $35 in simple interest, what was the annual interest rate for the account?
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Question 929726: kyle has $ 75. in his savings account and saves an additional $5 per week. Ricky has $30 in his savings account and saves an additional $10 per week. In how many weeks will they both have the same amount of money in their
Click here to see answer by stanbon(75887)

Question 929675: If i put 2500.00 in the bank at a 4% interest how long will it take to have 3000.00

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Question 929854: Child Admission is $5.40 Adult Admission is $8.80. ON Tuesday 162 tickets were sold for a total sale of $1102.60. How many adult tickets were sold that day?

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Question 929510: How long will it take for (s) sum of money to double if it is invested at a rate of 6% per year compounded monthly?
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Question 929956: Jonah deposits $2500 into account with an annual rate of 5%, compounded annually. The amount in his account can be determined by the formula A=P(1+R)^t, where P is the amount deposited, R is the annual interest rate, and t is the number of years the money is invented. Write an equation to model the growth of her investment.
Click here to see answer by ewatrrr(24785)

Question 930189: Udit received $900 from his parents as a graduation present. He invested part of it at 2% interest and the remainder at 10%. If the total yearly interest amounted to $50, how much did he invest at each rate?
Click here to see answer by TimothyLamb(4379)

Question 930193: $13,000 is deposited into a savings account that earns simple intrest at a rate of 6.5 percent per year. How much intrest will the money have earned after 3 years?
Click here to see answer by Hawksfan(61)

Question 930217: Please help me solve this: An investment of $5000 is compounded continuously for 20 years. What interest rate would yield $16,600?
so far I've got 16,600=
Click here to see answer by stanbon(75887)

Question 930241: if the total price of a dryer is $813, including a tax of 0.07 times the list price, what is the list price of the dryer (to the nearest cent)?
Click here to see answer by TimothyLamb(4379)

Question 930239: Brad and Susan earn a total of $9000 a month. They spend $2700 a month on their house payment.What percent of their monthly income do they spend on their house payment?
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Question 930254: How do i set these equations up?
An investment of $6000 is made into a 14% annual simple interest account. How much money is deposited into a 10% annual simple interest account if the total annual interest earned on both accounts is 12% of the total investment?
Also
A stockbroker has 12,000 to invest. The broker recommends part of the 12,000 be placed in 12% tax free bonds, and the rest in 18% commercial bonds. How much should be invested in the commercial bonds so that the total annual interest is $1920?
So far for the last one I got 12,000-x(.12)+.18x=$1920, but am coming up with something other than what is on the answer key.
Click here to see answer by mananth(16946)

Question 930378: If a number increases from 2,000 to 3,330 what is the rate of increase?
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Question 930402: Part of $11,000 was invested by an investment club at 10% interest and the rest at 12%. The annual income from the investments is $1,260. How much was invested at each rate?
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Question 930237: A man invests $1800 in three accounts that pay 5%, 7% and 9% in annual interest respectively. He has 3 times as much invested at 9% as he does at 5%. If his total interest for the year is $138 , how much is invested at each rate?

Click here to see answer by TimothyLamb(4379)

Question 930264: A newspaper advertisement offers a $4000 car for nothing down and 36 easy monthly payments of $132.46. What is the simple interest rate?
I come up with an interest rate of 53.4%, but I am sure that isn't right. I can't see to figure out what formula to use.
Click here to see answer by rothauserc(4718)

Question 930439: how much money must be deposited today to become $1250 in 50 years at 4.5% compounded continuously?
Click here to see answer by stanbon(75887)

Question 930433: Please help me solve this: Caitlin invested money in two mutual funds, a stock and balanced fund. She invested twice as much in the stock fund as in the balanced fund. At the end of one year, the stock fund earned the equivalent of 17% simple interest and the balanced fund earned 3.5%. If her total gain was $1125, determine how much she invested in each fund.
So far I've got the equations set up as 2x +x = 1125 and .17(2x) + .035x =???
Click here to see answer by TimothyLamb(4379)

Question 930444: If the annual interest rate on a credit card statement is 62.4%, what is the weekly interest rate? Round your solution to two decimal places.
Click here to see answer by Alan3354(69443)

Question 930490: You invest $10,000 with interest compounded continuously at 4% per year. How much will the investment be worth after 2 years?
So I know the formula is Inves.e^r*t at least I think thats right.
So I get 10,000e^.04*2, but I dont know where to go from there.
Click here to see answer by MathTherapy(10551)

Question 930692: If the sum of eight and a number is multiplied by six, the result is 156,
A)Write the equation
B)find the number
Click here to see answer by amariya(8)

Question 930692: If the sum of eight and a number is multiplied by six, the result is 156,
A)Write the equation
B)find the number
Click here to see answer by MathLover1(20849)

Question 930894: If 87 people attend a concert and tickets for adults cost $3.75 while tickets for children cost $3.25 and total receipts for the concert was $298.75, how many of each went to the concert?
Click here to see answer by TimothyLamb(4379)

Question 930938: Edward's father decided that he had to have a pair of Sunstache Sunglasses. He can purchase the glasses at Amazon for $9.99 with an 11% charge for shipping and handling. What will he pay for the Sunstache Sunglasses?
Click here to see answer by EdenWolf(517)

Question 930919: tina has $600 in her bank account and she withdraws $50 a week. what's the y-intercept in this problem.
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Question 930919: tina has $600 in her bank account and she withdraws $50 a week. what's the y-intercept in this problem.
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Question 930919: tina has $600 in her bank account and she withdraws $50 a week. what's the y-intercept in this problem.
Click here to see answer by Alan3354(69443)

Question 930929: What is the compound amount and compound interest of $36,000 invested at 12% compounded semiannually for 7 years?
Click here to see answer by jamiya(9)

Question 931104: I have a question.
How do you calculate the percentage profit. Round the answer to the nearest hundredth if possible.
A profit of $150 on a $2200 investment

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Question 931096: alex has saved $700 at the bank. he wants to accumulate $1750 for a trip to soccer camp. what percent of his goal has been reached?
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Question 931091: joan and bob looked at their restaurant bill. food: $45.33, drinks:$13.30, dessert: $8.97, tip:10%. if they split the total cost, what will joan have to pay, rounded to the nearest dollar?
Click here to see answer by TimothyLamb(4379)

Question 931089: A total of $3800 is invested into two accounts paying 4% and 7% annual interest. In one year the combined interest on the accounts is $218. Find the amount invested at 7%.

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Question 931196: Your hotel tells you that they will increase the temperature by 10 percent each hour. the current temperature of the hot tub is 75 degrees F.
Write out the first 3 terms of the sequence, rounding to the nearest hundredth
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Question 931440: what is and equation for valeria went to the coffee shop with two friends they split the bill 3 ways. each person had to pay $4.75 how much was the bill

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Question 931470: A boat that costs $6150 decreases in value by 14% per year. How much will it be worth after 3 years

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Question 931523: Hanna won $280,000 in the lottery.
Hanna wants to invest the money and does so though three savings account one at: 4%,5% and 7%. After the first year Hanna made $15,400 in interest.
Hanna invested $20,000 more at 7% than at 5%. How much has Hanna invested in each savings account.
What I have so far
X + Y + Z = 280,000
.04X + .05Y + .07Z = 15,400
????? + ????? + ????? = 0
The last line is where I am stuck. Using rref to brute force the solution hasn't helped. Answer is $80,000 @ 4% $90,000 @ 5% $110,000 @ 7%.
Click here to see answer by SucExcProc(1)

Question 931589: 3. Andrea wants to deposit money into a bank account that earns 4% simple annual interest. Use the formula to find the amount of money that she should deposit so that she earns $2800 after 3.5 years. Show and explain your work.
Answer:

Click here to see answer by stanbon(75887)

Question 931527: If you receive $256 commission for selling a $3200 bedroom set,what is your commission rate
Click here to see answer by Fombitz(32388)

Question 931512: please help me solve this: Juan is contemplating buying a zero coupon bond that matures in 4 years and has a face value of $50,000. If the bond yields a return of 5.75%/year, how much should Juan pay for the bond? (Round your answer to the nearest cent.)
Click here to see answer by Fombitz(32388)

Question 931532: if my salary was $32,000 last year and $35,000 this year, what should it be next year?
Click here to see answer by Alan3354(69443)

Question 931622: how long will it take for an investment to triple if it is compounded continuously at 13%?

Click here to see answer by Fombitz(32388)

Question 931619: an original investment of $12,000 earns 6.00% interest compounded continuously. what will the investment be worth in 10 years? A=Pe^rt
Click here to see answer by stanbon(75887)

Question 931623: how much money will you have in 7 years if you invest $16,000 at a 4.8% annual rate of interest compounded quarterly?
Click here to see answer by ewatrrr(24785)

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