Questions on Word Problems: Miscellaneous Word Problems answered by real tutors!

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Question 1153361: a total of 144 votes were cast for student body president . If there were twice as many votes for cindy as there were for Jim, how many votes did Cindy receive ?
Click here to see answer by ikleyn(52756)

Question 1153356: The number of visitors to a website in the first week is 40. The number of visitors each week is double the number of visitors the previous week. What is the total number of visitors to the website in the first 10 weeks? Show all your work!!!
Click here to see answer by josmiceli(19441)

Question 1153400: A patient takes vitamin pills. Each day he must have at least 150 IU of vitamin A, 3 mg of vitamin Upper B 1, and 30 mg of vitamin C. He can choose between pill 1, which contains 90 IU of vitamin A, 1 mg of vitamin Upper B 1, and 5 mg of vitamin C, and pill 2, which contains 30 IU of vitamin A, 1 mg of vitamin Upper B 1, and 20 mg of vitamin C. Pill 1 costs 25cents, and pill 2 costs 75cents. How many of Pill 1 and pill 2 should he buy? What is the minimum cost?
Click here to see answer by ikleyn(52756)

Question 1153399: One gram of soybean meal provides at least 2.5 units of vitamins and 5 calories. One gram of meat byproducts provides at least 4.5 units of vitamins and 3 calories. One gram of grain provides at least 5 units of vitamins and 10 calories. If a gram of soybean meal costs 7 cents, a gram of meat byproducts 9 cents, and a gram of grain 11 cents, what mixture of these three ingredients will provide at least 60 units of vitamins and 66 calories per serving at minimum cost? What will be the minimum cost?
Click here to see answer by ikleyn(52756)

Question 1153006: Jason has 4 pairs of socks. They are colored brown, black, white, and blue. If
he picks two socks out of his drawer at a time, what are all of the combinations
he may have?

Click here to see answer by Edwin McCravy(20054)

Question 1153455: NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t2+217t+185.
Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?
The rocket splashes down after ________ seconds.
How high above sea-level does the rocket get at its peak?
The rocket peaks at __________ meters above sea-level.
Click here to see answer by MathLover1(20849)

Question 1153464: A bacteria culture starts with 560 bacteria and grows at a rate proportional to its size. After 2 hours there will be 1120 bacteria.
(a) Express the population P after t hours as a function of t.
P(t)=____
(b) What will be the population after 8 hours?
___ bacteria
(c) How long will it take for the population to reach 2490? Give your answer accurate to at least 2 decimal places.
___ hours
Click here to see answer by Theo(13342)

Question 1153465: You deposit $4000 in an account earning 8% interest compounded continuously. How much money will you have in the account in 10 years?

$= ____
Click here to see answer by MathLover1(20849)

Question 1153462: How long (in years) would it take $9,900 to grow into $22,800 if it's compounded continuously at 4% interest per year?
Answer:____ years (Round your answer to 2 decimal places.)
Click here to see answer by ikleyn(52756)

Question 1153463: Solve for x
log (x)+log (x+3)=9
x=___
Click here to see answer by math_helper(2461)

Question 1153550: Hi
A person has 1500 dollars to buy a computer. The end of year sale gives an 15 percent discount followed by a 3 percent discount if the person pays cash.
What is the maximum value the person can pay if he pays by cash.
Thanks

Click here to see answer by josgarithmetic(39614)

Question 1153552: Hi
This is exactly as it appears in the textbook. Josie needs a new computer and has saved $1500.00. She decided to wait for the end of year sale where she was promised a 15 percent discount and a further 3 percent off if she paid cash.
What is the maximum value to the dollar of a full priced computer she can afford if she pays cash.
What is the difference between the full price computer she can afford with cash and of a computer she paid by card.
Thanks
Click here to see answer by josgarithmetic(39614)

Question 1153573: work out the fraction halfway between 1/2 and 1 1/4
Click here to see answer by MathLover1(20849)

Question 1153576: Two trains going in opposite directions leave at the same time. Train B travels 15 mph faster than train A. In 8 hours the trains are 1000 miles apart. Find the speed of each.
Click here to see answer by ikleyn(52756)

Question 1153633: Find the value of when x= -1 and y= 1, given that
Click here to see answer by ikleyn(52756)

Question 1153638: Find the value of x for which the tangent line to will be parallel to the tangent line to
Click here to see answer by greenestamps(13195)

Question 1153638: Find the value of x for which the tangent line to will be parallel to the tangent line to
Click here to see answer by jim_thompson5910(35256)

Question 1153632: Find the value of x for which the tangent line to will be parallel to the tangent line to ?
Click here to see answer by MathLover1(20849)

Question 1153632: Find the value of x for which the tangent line to will be parallel to the tangent line to ?
Click here to see answer by Alan3354(69443)

Question 1153632: Find the value of x for which the tangent line to will be parallel to the tangent line to ?
Click here to see answer by MathTherapy(10549)

Question 1153719: A person takes the following trip 1451m (N36.0degreesW), then 1104m (w), and finally 3402km (S30.0degreesW)in a total of 75.0 minutes. Find the total displacement for the journey and the average velocity (use m/s)
show a full organized solution with diagrams :)
Thank you
Click here to see answer by ikleyn(52756)

Question 1153728: Calculate the sum of an infinite geomatric series with first term of 4 and a common ratio of -3/4

Click here to see answer by math_helper(2461)

Question 1153776: A theater can seat 144 people. The number of rows is 7 less than the number of seats in each row. How many rows of seats are there?
Click here to see answer by Alan3354(69443)

Question 1153783: Sameen bought 215 pounds of carrots for $6.60. At that rate, how much would 1 pound of carrots cost?

Click here to see answer by josgarithmetic(39614)

Question 1153779: An inlet pipe on a swimming pool can be used to fill a pool in 36 hours. The drain pipe can be used to empty the pool in 40 hours. If the pool is 2/3 filled using the inlet pipe and then the drain pipe is accidentally opened, how long from that time will it take to fill the pool?
Click here to see answer by josgarithmetic(39614)

Question 1153780: A contractor hires two bulldozers to clear the trees from a 20 acre tract of land. One works twice as fast as the other. It takes them 3 days to clear the tract working together. How long would it take each of them alone?
Click here to see answer by josmiceli(19441)

Question 1153827: Graph the function f(x)=x^3-2x^2+x by finding its zeros. Use the graph to estimate where the instantaneous rate of change is positive, negative, and zero.
Thanks
Click here to see answer by josgarithmetic(39614)

Question 1153831: Cynthia Besch wants to buy a rug for a room that is 18 ft wide and 27 ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 322 square feet of carpeting. What dimensions should the rug have?

Click here to see answer by josgarithmetic(39614)

Question 1153834: Cynthia Besch wants to buy a rug for a room that is 22 ft wide and 32 ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 264 square feet of carpeting. What dimensions should the rug have?
Click here to see answer by josgarithmetic(39614)

Question 1150049: She is going to buy a scarf for $12.50 and some nail polish for $3. At the register she finds out that the scarf is 5% off. The store charges her a 9% tax.
The sale price for the scarf is $ . (do not round)
The subtotal (scarf and nail polish before tax) is $ . (do not round)
The total (including tax) is $ . (round to the nearest hundredth)

Click here to see answer by Mrinmoy(1)

Question 1153922: Hi
A plane took off 1 hour later for its destination 3000km away. In order to reach the destination on time the pilot increased speed by 500km per hour.
What is the new speed of the plane.
Thanks

Click here to see answer by ikleyn(52756)

Question 1153927: One pump fills a tank 3 times as fast as another pump. If the pumps work together, they fill the tank in 12 minutes. How long does it take for each pump to fill the tank?

Click here to see answer by ramkikk66(644)

Question 1154002: Separate 60 into two parts so that 3 times the smaller added to 6 more than 6 times the smaller = 60.
Click here to see answer by josgarithmetic(39614)

Question 1154005: Approximately 6.3 million wrecked cars are recycled in two consecutive years. There were 700,000 more recycled the second year than the first year. How many cars are recycled each year?

Click here to see answer by josmiceli(19441)

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