Tutors Answer Your Questions about percentage (FREE)
Question 320272: To estimate animal population, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat(in acres) polled.
a.Write an equation using only one variable that could be used to solve for the constat of variation k.
b.A biologist counted 12 white tail deer in a 100 acre parcel of land in a nature preserve.Find the constant of variation k.
c.If the entire nature preserve is 2,500 acres, then what is the total white tail deer population in the preserve? Describe the answer?Thanks
Click here to see answer by stanbon(57307) |
Question 320269: Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the cost for such a station are $2,500 for setup costs and $3.00 to administer each test.
a. Write an expression that gives the total cost to test x animals.
b. You can find the average cost per animal by dividing total costs by number of animals. Write the expression that gives the average cost per animal.
c.Find the average cost per animal for 10 animals, 100 animals, and 1,000 animals.
d.As the number of animals increases, what happens to the average cost to test the animals? Would the average cost ever fall below $3.00? If so, identify a value that supports your answer.If not explain how you know.
e. How many animals should be testes for the average cost to be $5.00 per animal?
Click here to see answer by stanbon(57307) |
Question 278268: David Upton is president of Upton Manufacturing, a producer of Go-Kart tires. Upton makes 1000 tires per day with the following resoures:
Labor 400 hours per day @ 12.50 per hour
Raw Material 20000 pounds per day @ 1.00 per pound
Engergy $5000 per day
Capital $10000 per day
what is the labor productivity perlabor hour for these tires at Upton Manufacturing? what is the multifactor productivity for these tires at Upton Manufacturing? what is the percen change in multifactor productivity if Upton can reduce the engergy bill by $1000 per day without cutting production or changing any other inputs.
Click here to see answer by deividzen(1) |
Question 323039: Liza kept the following records of her utility bills for 12 months:
$38, $33, $41, $37, $54, $39, $38, $71, $49, $48, $42, $38
(a) Find the mean of Liza's monthly utility bill.
(b) Find the median of Liza's monthly utility bill.
(c) Is the mean or median a more useful representative of Liza's monthly utility bills?
Click here to see answer by rfer(12657) |
Question 324773: I am taking a practice test. One of my questions is: "A rancher is planning to put up 220 yards of fencing. In the morning, she puts up 80 yards of fencing. In the afternoon she puts up 40% of the remaining fence. What is the total percentage of the amount of fencing she has put up today?"
I know the answer is 62%. Every time i work out the answer however, i get 76%. How do you work this problem out?
Click here to see answer by Fombitz(13828)  |
Question 324771: I am taking a practice test. One of my questions is: "A rancher is planning to put up 220 yards of fencing. In the morning, she puts up 80 yards of fencing. In the afternoon she puts up 40% of the remaining fence. What is the total percentage of the amount of fencing she has put up today?"
I know the answer is 62%. Every time i work out the answer however, i get 76%. How do you work this problem out?
Click here to see answer by Alan3354(30993)  |
Question 324771: I am taking a practice test. One of my questions is: "A rancher is planning to put up 220 yards of fencing. In the morning, she puts up 80 yards of fencing. In the afternoon she puts up 40% of the remaining fence. What is the total percentage of the amount of fencing she has put up today?"
I know the answer is 62%. Every time i work out the answer however, i get 76%. How do you work this problem out?
Click here to see answer by rfer(12657) |
Question 324844: need help what amount a pie graph percentage represebnts for example given a pie graph with different slices of percents question will ask you how many apples does 12 percent represent what math formula do you use to answer
Click here to see answer by jessica43(140) |
Question 326191: This is not a request for an answer to my problem, but rather a more clear explanation of the formula used to find the precentage of a number. My current problem is: 35% of $19.40 I need to find the discount and then the sale price. I am currently enrolled in college and I would appreciate any and all assistance that you can provide to me. I found your formula for this and the thing that confused me was the dot. Does it represent a multiplication sign?
Thank you inadvance for the assistance.
Tonya L. Irwin
Click here to see answer by stanbon(57307) |
Question 327489: A man goes into a grocery store and buys a grapefruit and a toy ball. A 7% tax is applied to the price of non-food items. If the total bill is $5.15, including $0.18 in tax on the toy ball, what are the prices of the grapefruit and the ball?
Click here to see answer by checkley77(12569) |
Question 327487: On the first day of school, the percentage of boys in a particular class is 60%. During the school year, six girls move away, and are replaced in the class by six boys; this makes the class roster 75% boys. Find the number of boys and girls in the class on the first day of school.
Click here to see answer by ankor@dixie-net.com(15649)  |
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Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420
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