Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 325756: Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $180 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $240, but only 25% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $240 in bills.
Click here to see answer by stanbon(75887) |
Question 325756: Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $180 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $240, but only 25% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $240 in bills.
Click here to see answer by solver91311(24713)  |
Question 325754: Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $180 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $240, but only 25% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $240 in bills.
Click here to see answer by solver91311(24713)  |
Question 325771: Determine the equation of combined variation. Then solve for the missing value.
x varies directly with y and inversely with z.
x=125 when y=5 and z=4.
Find x when y=4 and z=5.
I understand that z=kxy, tried to plug this in and work it, but I think I may be doing it wrong. Should I be using z=kxy? If so show work so that I may understand where I went wrong. Thanks
Click here to see answer by jim_thompson5910(35256) |
Question 325771: Determine the equation of combined variation. Then solve for the missing value.
x varies directly with y and inversely with z.
x=125 when y=5 and z=4.
Find x when y=4 and z=5.
I understand that z=kxy, tried to plug this in and work it, but I think I may be doing it wrong. Should I be using z=kxy? If so show work so that I may understand where I went wrong. Thanks
Click here to see answer by solver91311(24713)  |
Question 325938: Biologists want to set up a station to test alligators in the lake for the West Nile Virus. Suppose that the costs for such a station are $2500 for set up costs and $3.00 to administer each test.
A> write an example that gives the total cost to tet animals
B> You can find the average cost per animal by dividing total costs by the 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 1000 animals.
D> As the number of animals tested increase, 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, how come?
E> How many animals should be tested for the average cost of the test to be $5.00 per animal?
Click here to see answer by mananth(16946)  |
Question 326071: Sean is determining the solubility of the new organic compound he has made in the lab. It was not very soluble in water so he is trying it in methanol. He kept adding small amounts of the golden colored powder to fifty ml of methanol until no more dissolved. In fact, there was still a little left undissolved in the flask, so he must have actually went past the saturation point. He had added 0.35 g of the compound. He then added three more ml of methanol, which was just enough to completely dissolve the remainder of the compound. So, what is his result for the saturation point (in g/ml) for the new compound in methanol?
Click here to see answer by solver91311(24713)  |
Question 326067: Two different rocks from near a recent volcanic eruption are compared. Sample A is a rock with a mass of 690 grams and a volume of 333 cm3, and sample B has a mass of 935 grams and a volume of 506 cm3. Which sample is denser and by how much? (cm3 - the 3 should be to the 3rd power or cubed)
Click here to see answer by Fombitz(32388)  |
Question 326120: larry drove his car 100 miles to see a football game.then he drove 100 miles home after the game.when he left for the game,he had exactly 12 gallons of gas in his tank. when he returned home after the game,he had exactly 4 gallons. what was the gas milage of larry'scar,in miles per gallon if he did not for gas? email: larryblackwell@math.com
Click here to see answer by checkley77(12844) |
Question 326219: In a family there are two cars. In a given week, the first car gets an average of 40 miles per gallon, and the second car gets 30 miles per gallon. The two cars combined drive a total of 2300 miles in that week, for a total gas consumption of 65 gallons. How many gallons were consumed by each of the two cars that week?
Click here to see answer by stanbon(75887) |
Question 326197: A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as editing) and variable costs (such as printing). The one-time fixed costs will amount to $41,088. The variable costs will be $9.75 per book. The publisher will sell the finished product to bookstores at a price of $21.75 per book. How many books must the publisher print and sell so that the production costs will equal the money obtained from sales?
Click here to see answer by stanbon(75887) |
Question 326362: In the year 2000, Happy Kennel sold 48 puppies. In the year 2001, they sold 125% more puppies than they did the year before. How many puppies did they sell in 2001?
a.60 puppies
b.96 puppies
c.108 puppies
d.125 puppies
e.173 puppies
Click here to see answer by stanbon(75887) |
Question 326360: A machine weaves 2 2/3 meters of fabric in the first hour of operation. All the rest of the time the machine runs, it weaves 3 2/3 meters per hour. If the machine is turned on and allowed to run for 25 hours, how many meters of fabric will it weave?
Click here to see answer by stanbon(75887) |
Question 326456: Three debate teams from a state are chosen to go to a national debate. If there are 12 teams in the state, how many different groups of three teams can be chosen to go to the national debate?
F) 220
G) 1320
H) 576
I) 1728
Click here to see answer by stanbon(75887) |
Question 326508: In a typing class, the average number N of words per minute after t weeks of lessons was found to be N=157 over 1+5.3e^(-.12xt)
Find the time necessary to type.
A.) 50 wpm
B.) 75 wpm
Would you plug the two given numbers in where t is? I assumed you would but by the wording they want you to plug it into N? I am confused. And if it is N how would you solve?
Click here to see answer by Fombitz(32388)  |
Question 326565: Brian and Juan are on the cross country team. Last week, Juan ran six miles more than Brian did. Juan ran a total of 32 miles last week. Which of the following equations should be used to find how many miles Brian ran last week?
1. m + 6 = 32 (where m represents the number of miles Brian ran)
2. m + 6 = 32 (where m represents the number of miles Juan ran)
3. m – 6 = 32 (where m represents the number of miles Brian ran)
4. m – 6 = 32 (where m represents the number of miles Brian ran)
Click here to see answer by user_dude2008(1862) |
Question 326567: Marie, Brad, and Doug went to the mall. Brad spent three times as much money as Marie. Doug spent fifteen dollars more than Brad. If Doug spent $60 at the mall, which of the following equations should be used to find out how much money Marie spent?
1. 3(m + 15) = 60 (where m represents the amount of money Marie spent)
2. 15m + 3 = 60 (where m represents the amount of money Marie spent)
3. 3m + 15 = 60 (where m represents the amount of money Marie spent)
4. 3m – 15 = 60 (where m represents the amount of money Marie spent)
Click here to see answer by user_dude2008(1862) |
Question 326569: Jan's father is four times as old as Jan. If Jan's father is 36, which of the following equations should be used to find out how old Jan is?
1. 4j = 36 (where j represents Jan’s age)
2. j/4 = 36 (where j represents Jan’s age)
3. 36j = 4 (where j represents Jan’s age)
4. j/36 = 4 (where j represents Jan’s age)
Click here to see answer by user_dude2008(1862) |
Question 326597: Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $180 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $220, but only 30% of the rest. For what amount of medical bills will plan B save Giselle Money. Assume she has over $220 in bills.
Please help I don't understand at all....Thanks
Click here to see answer by solver91311(24713)  |
Question 326597: Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $180 of her medical bills, plus 40% of the rest. Under plan B, Giselle would pay the first $220, but only 30% of the rest. For what amount of medical bills will plan B save Giselle Money. Assume she has over $220 in bills.
Please help I don't understand at all....Thanks
Click here to see answer by alanc(27)  |
Question 326731: Jack was to be paid $24 for raking the leaves in his yard.Jack raked the leaves in three fourths of the yard.Then Jill came over. Jill agreed to help Jack rake the rest of the yard.Jack and Jill each did the same amount of work on that part of the yard.For Jack and Jill to receive the same rate of pay, how much of the $24 should Jill be paid?
a.$1 b.$2 c.$3 d.$4 e.$6
Click here to see answer by mananth(16946)  |
Question 326730: A taxi cab driver charges his passengers $2.00 for a trip that is one mile or less. For trips over 1 mile, she adds a charge of 15¢ for every tenth of a mile past the first mile. One passenger was charged $3.95. How far did that passenger travel?
a.14 miles b.13 miles c.2.6 miles d.2.3 miles e.1.3 miles
Click here to see answer by Fombitz(32388)  |
Question 326635: Study Time and Test Grades. A mathematics instructor asserted that
students' test grades are directly proportional to the amount of time
spent studying. Brent studies 15 hr for a particular test and gets a score
of85. At this rate, what score would he have received ifhe had studied
16 hr?
Click here to see answer by Fombitz(32388)  |
Question 326803: Can someone please explain this to me?
Body Mass Index. Body mass index I can be used to determine whether an individual has a healthy weight for his or her height. An index between 18.5 and 25 indicates a healthy weight. Body mass index is given by the formula below, or model, where W is weight, in pounds, and H is height, in inches.
I=704.5W
H2
Margaret’s height is 63 in. Determine, in terms of an inequality, those weights W that will keep her body mass index below 25
Click here to see answer by Fombitz(32388)  |
Question 326802: Can someone please explain this to me? I don't understand what to do.
Body Mass Index. Body mass index I can be used to determine whether an individual has a healthy weight for his or her height. An index between 18.5 and 25 indicates a healthy weight. Body mass index is given by the formula below, or model, where W is weight, in pounds, and H is height, in inches.
I=704.5W
H2
Margaret’s height is 63 in. Determine, in terms of an inequality, those weights W that will keep her body mass index below 25
Click here to see answer by Fombitz(32388)  |
Question 326729: In the year 2000, Happy Kennel sold 48 puppies. In the year 2001, they sold 125% more puppies than they did the year before. How many puppies did they sell in 2001?
a.60 puppies b.96 puppies c.108 puppies d.125 puppies e.173 puppies
Click here to see answer by dcharlequin(6) |
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