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Question 988307: Geometric Progression.1. Consider the sequence 81,27,9,3.
i. Find the 10th term of this sequence.
ii. Find the sum of the first 10 terms of this sequence.
iii. Consider the first 20 terms of this sequence and find the sum of even number of terms.
Click here to see answer by Fombitz(32388)

Question 988387: The height of a projectile fired upward with an initial velocity if 400 feet per second is given by the formula h=-16t^2+400t, where h is the height in feet and t is the time in secounds. Find the time required for the projectile to return to earth.
Click here to see answer by Boreal(15235)

Question 988404: Wednesday is hotdog at the ballpark. You can get 2 hotdogs for $2.50. Matt spent $17.50. How many hotdogs did he buy? Can you please explain how you got your answer.
Click here to see answer by rfer(16322)

Question 988482: you walk into the bank and see a sign advertising a cd special this week only. it offers 5.5% per year on any investment of 4 years. you check your bank account balance and decide you can afford to invest $500 and you buy the cd(spend the $500 on a cd). what is the total value of the account after 4 years?
Click here to see answer by solver91311(24713)

Question 988383: If the speed were increased by 10mph, a 420-mile trip would take 1 hour less time. How long will the trip take at the slower speed?
Click here to see answer by ankor@dixie-net.com(22740)

Question 988532: A total of $5000 was invested, part of it at 4% per year and the remainder at 6% per year. If the total yearly interest amounted to $270, how much was invested at each rate?
Click here to see answer by lwsshak3(11628)

Question 988543: A retailer has some skirts that cost $21 each. She wants to sell them at a profit of 30% of the selling price. What price should she charge for the skirts?
Click here to see answer by macston(5194)

Question 988791: Prior to a sale,17 t-shirts were sold at $8 each. The summer sale began and a further 85 t-shirts were sold at a reduced price. The average amount paid for each t-shirt over the whole time was $6 each. WHAT WAS THE SALE PRICE?
Click here to see answer by josmiceli(19441)

Question 988841: Emma invests $900 in one account and $1800 in an account paying 3 % higher interest. At the end of one year she had earned $135 in interest. At what rates did she invest?
$900 invested at�%
$1800 invested at�%
Click here to see answer by stanbon(75887)

Question 988872: Juan had a box of 48 candy bars to sell for a class fundraiser. He sold 14 of the bars on his own and his mother sold half of the remaining bars to her coworkers. If no other bars were sold, what fraction of Juana's original 48 remaining unsold?
Click here to see answer by Shai(25)

Question 988912: If a girl gets 14 folders for 75 cents how much change will she get if she pays with a 15$

Click here to see answer by Alan3354(69443)

Question 988905: Lopez spent 1/3 of his vacation money for travel and 2/5 of his vacation money for lodging. He spent $1100 for travel and lodging. What is the total amount of money he spent on his vacation?
Click here to see answer by macston(5194)

Question 988842: Russell invests $8100 in two different accounts. The first account paid 4 %, the second account paid 10 % in interest. At the end of the first year he had earned $504 in interest. How much was in each account?
$��at 4 %
$��at 10 %
Click here to see answer by macston(5194)

Question 988907: Denise's cell phone plan is $29.95 per month plus $.10 per minute for each minute over 300 minutes of call time. Denise's cell phone bill is $99.95. For how many minutes was she billed?
Click here to see answer by josgarithmetic(39613)

Question 988903: The attendance at a basketball 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 josgarithmetic(39613)

Question 989016: Of the 600 tickets sold to a movie, 520 of them were full price tickets costing $8 each. If the gate receipts were $4,320 what did a student ticket cost
Click here to see answer by zhagi17(16)

Question 989056: You won 60000 in the lottery. You keep 1/3 and divide the rest equally among your 5 brother and your 3 teachers. Each of thier shares amount to how much?
Click here to see answer by Boreal(15235)

Question 989232: The phone company Ringular has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 280 minutes, the monthly cost will be $165. If the customer uses 570 minutes, the monthly cost will be $310.
A) Find an equation in the form y = m x + b, where x is the number of monthly minutes used and y is the total monthly of the Ringular plan.
Click here to see answer by macston(5194)

Question 989228: A father distributed $765 among his four sons. The share of the second was 15 more than double the first. The share of the third son was $15 more than the second. The share of the fourth son was $15 more than double the third. Find the share of each son.
Thank you
Click here to see answer by stanbon(75887)

Question 989391: Joanne has a total of $5000 deposited into two accounts. One account earns 5% interest and one account earns 4% interest. If the two accounts earn a total of $215, how much was deposited into each account?
Click here to see answer by solver91311(24713)

Question 989491: Angela is on her way from home from Jersey City into New York City for dinner. She walks 1 mile to the train station, takes the train 4/5 of the way, and takes a taxi 1/6 of the way to the restaurant. How far does Angela live from the restaurant?
Click here to see answer by Alan3354(69443)

Question 989488: Jeff, Tom, and Chelsea order a large pizza. They decide to split the cost according to how much they will eat. Tom pays dollar-sign 5.49, Chelsea eats StartFraction 1 Over 8 EndFraction of the pizza, and Jeff eats StartFraction 1 Over 2 EndFractionof the pizza. How much did the pizza cost?
Click here to see answer by macston(5194)

Question 989589: Need help with setting up equation for...Mary bought 2 notebooks and 3 pens for $14.50. Dan bought 1 notebook and 2 pens for $7.50. How much does one notebook cost?
Click here to see answer by stanbon(75887)

Question 989686: Christopher can paint the interior of his house in 10 hours. If he hires Cynthia to help him, they can do the same job together in 6 hours. If he lets Cynthia work alone, how long will it take her to paint the interior of his house? Round you answer to 01 decimal place
Click here to see answer by josgarithmetic(39613)

Question 989704: A landscaping company needs 160gallons of 23% fertilizer to fertilize the shrubs in an office park. They have in stock 30% fertilizer and 20% fertilizer. How much of each type should they mix together?
Click here to see answer by josgarithmetic(39613)

Question 989714: 390 worth of $10 and $20.If there were 3 more 10 bills than find the number of each denomination
Click here to see answer by macston(5194)

Question 989962: the algebra textbook cost $49 this year, an increase from $35 last year. What was the % increase in price
Click here to see answer by addingup(3677)

Question 990008: Can you please help me out with this sum. 1/6 of A's salary is equal to 1/5 of B's salary.If A earns Rs 3000 more than B, find how much each earns. Thanks
Click here to see answer by rothauserc(4718)

Question 990148: In a recent year, person A and person B had two concert tours, and together they generated $197.6 million in ticket sales. If person B took in $18.6
million less than person A, how many millions of dollars did each tour generate?
Click here to see answer by Timnewman(323)

Question 990116: A small business owner borrowed $4,200 at an annual simple interest rate of 12%.
What is the total amount that must be repaid in 3 months?
Click here to see answer by rfer(16322)

Question 990270: Jake drives a tractor from one town to another, a distance of 130 kilometers. He drives 9 kilometers per hour faster on the return trip, cutting 1 hour off the time. How fast does he drive each way?

Click here to see answer by josmiceli(19441)

Question 990269: Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it takes Heidi 9 hours longer than it takes Sarah. How long would it take Heidi to clean the garage alone?

Click here to see answer by josmiceli(19441)

Question 990268: A jazz group on tour has been drawing average crowds of 600 people. It is projected that for every $1 increase in the $11 ticket price, the average attendance will decrease by 75. At what ticket price will nightly receipts be $3,600?

Click here to see answer by josmiceli(19441)

Question 990232: Tom, Dick and Harry get half days off with pay. Tom gets a half day off with pay every eight days, Dick every 10 days and Harry every 12 days. If all three are off together on April 1, what is the next date when all thee will be off together again?
Click here to see answer by josmiceli(19441)

Question 990310: What amount of money is equivalent to receiving $5,000 two years from today, if interest is compounded quarterly at the rate of 2.5% per quarter?
Click here to see answer by rfer(16322)

Question 990389: A person wishing to invest $5000 and earn $800 interest decides on a combination of a high risk investment, which earns 19% interest, and a low risk investment which pays 7.5% interest. How much should be invested in each to ensure the $800 interest? We have the answer of $3695.65 at 19% and $1304.35 at 7.5% and need to know how to set up the equation to get the answers
Click here to see answer by ankor@dixie-net.com(22740)

Question 990569: one evening 1600 concert tickets were sold. tickets cost $25.00 for pavilion seats and $15.00 for lawn seats. total receipts were $32, 000. how many tickets of each type were sold?
Click here to see answer by stanbon(75887)

Question 990588: Mike's salary is $6,500 per month. He saves 15 of his monthly salary and spends the rest.
How much money does Mike save every month?
$
How much money does Mike spend every month?
$

Click here to see answer by stanbon(75887)

Question 990629: $5000 is invested at 6%. How much more invested at 9.5% will give a total annual interest equivalent to 7%?
Click here to see answer by anand429(138)

Question 990688: Adaeze went to the market with certain amount of money. Then she spent one-fifth of the money and found that #60.00 is left. How much did she go to the market with?
Click here to see answer by stanbon(75887)

Question 990628: Two equal loans are made at 14% and 12.5%. Income from the 12.5% loan is $7500 less than the income from the 14% loan. How much was loaned at each rate?
Click here to see answer by ankor@dixie-net.com(22740)

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