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

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 596027: A rectangle has a perimeter of 196 inches. the length is 28 inches more than the width. What is the dimensions?
Click here to see answer by jim_thompson5910(28595)

Question 596041: Find the corresponding Celsius temperature for the a temperature of 292 F. using equation F=9/5(C+32)
Click here to see answer by Alan3354(30993)

Question 596050: A total of 10,000 passengers ride a train in one day. If a child's fare is $1.25 and adult fare is $3.75 and the total revenue from fares is $32,500 for the day. How many children and adults rode the train?
Click here to see answer by Alan3354(30993)

Question 596067: Island dinner booked a party and was charging the group a fix cost of 1,680. Later the number of people in the group increased by 50 people and the average cost decreased by $10 per person. How many people were booked originally.
a. 33
b. 70
c. 120
d. 168
The answer is B. 70. Can't figure out how to get 70.
Can someone please help me out with this problem. Can't figure this one out
Click here to see answer by jim_thompson5910(28595)

Question 596194: There are 18 students in a class. The number of boys is two less than three times the number of girls. How any boys are in the class?
Click here to see answer by math-vortex(472)

Question 596252: The radius of a circle as a function of time is defined by the equation, r(t)=4t^2+3t+1. Determine the rate of change in the area of the circle when dr/dt=11.
Click here to see answer by richard1234(5390)

Question 596257: FInd the area of the largest rectangle that can be inscribed in a semicircle of fadius r.
Click here to see answer by Edwin McCravy(8909)

Question 596354: Air Pollution the amount of mitrogen dioxide A in parts per million (PPM) that presetn in the air in the city of homer on a certain day in june is modeled by the function a(t)=-2t^2+32t+12
Where t is the number of hours after 6:00 am use this function to find the time at which the nitrogen dioxide level was at its maximum.
Click here to see answer by nerdybill(6958)

Question 596358: How do I graph this? I have been trying and I am drawing a blank
Air Pollution the amount of mitrogen dioxide A in parts per million (PPM) that presetn in the air in the city of homer on a certain day in june is modeled by the function a(t)=-2t^2+32t+12
Where t is the number of hours after 6:00 am use this function to find the time at which the nitrogen dioxide level was at its maximum.
t-value at max:
t = -b/(2a)
t = -32/(2(-2))
t = -32/(-4)
t = 8 hours
.
6:00 am + 8 hours = 2 pm
Click here to see answer by Alan3354(30993)

Question 596485: You lease a car at $415 per month for four years. Estimate the total cost of the lease.
Click here to see answer by Alan3354(30993)

Question 596545: The length of a regular pool is 6 meters less than twice its width. If the pool's perimeter is 126 meters, what are its dimensions?
Click here to see answer by rapaljer(4667)

Question 596757: the current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 9 amperes when the resistance is 970 ohms. What is the current when the resistance is 500 ohms?
Click here to see answer by jim_thompson5910(28595)

Question 596865: Please help me solve.
A gardner is lawn mowing a series of front yards. By 11:00 am, he had mowed 9 houses and by 1:30 pm he had completed 14.
a. Find his mowing rate in number of houses per hour.
b. Find his mowing rate in minutes per house.
Click here to see answer by solver91311(16885)

Question 597148: What is 7x3? I hope you are a girl.
Click here to see answer by richwmiller(9135)

Question 597148: What is 7x3? I hope you are a girl.
Click here to see answer by solver91311(16885)

Question 597305: Two numbers differ by 27. If their sum is 99, find the numbers.
(I think the question got cut off after "the sum is 99,", so I got really confused. Is it possible to do this question?)
Click here to see answer by solver91311(16885)

Question 597303: Dividing a number by 3 is the same as subtracting 10 from twice the number. What is the number?
What I've done:
Let x be a number.
x / 3 = 2x - 10
(multiply 3 on both sides)
x = 2x - 30
(subtract 2x from each side)
-x = -30
(divide both sides by -1)
x = 30
Is this correct?
Click here to see answer by stanbon(57347)

Question 597301: When a number is increased by 25, the answer is the same as doubling the sum of the number and 1. What is the number?
What I've done:
Let x be a number.
X + 25 = 2x + 1
(subtract 1 from both sides)
x + 24 = 2x
(subtract x from both sides)
24 = x
The number is 24.
Is this correct?
Click here to see answer by KMST(1868)

Question 597412: Last week sixth period had 30 students complete all their homework this week all 37 student did there homework to the nearest percent calculate the percent of increase
Click here to see answer by edjones(7569)

Question 597437: How far from the fulcrum of a teeterboard must an 80-pound boy sit to balance a 50-pound boy who is 4 feet from the fulcrum?
Click here to see answer by math-vortex(472)

Question 597103: DATE: May 29 TIME: 3:39AM
If you add Beth’s weight (in pounds) to her length (in inches), then you will get 2 less than her date of birth (not including the month). If you multiply the difference between her length and her weight by the number of full hours past midnight of her birth, you will get the number of minutes past the hour that she was born. Find her length and her weight,
Any help would be great thanks!
Click here to see answer by richard1234(5390)

Question 597551: Given the profit function P(x)=-75x^2+5925x-497250, where x represents the number of units produced and P(x) represents the profit in dollars, determine the break even values.
Please help with this word problem. I got so far and it was wrong and still redid the same. I missed this on an exam and really want to understand it.
Click here to see answer by rapaljer(4667)

Question 597599: Find the domain of f(x)=x+6/x^2-4
Click here to see answer by math-vortex(472)

Question 597542: a total of 1200 yards of fencing is to be used to enclose a rectangular part of lot that boders a river. No fence is needed along the river.
a)write the equation that gives the relationship between the length, the width and the 1200 yards of fencing available.
b)the formula for the area of a rectangle(as the one enclosed by the fencing) is given by A=lw, where l is the length and w is the width. Solve the equation found in part(a) for l, and then use the result to write the area in terms of w only.
c)make a table with at least 6 possible values of the width w and the associated area A.
d)from the pattern found in part (c), what is the largest possible area that can be enclosed by 1200 yards of fencing?
e)find the maximum area that can be enclosed.
I really need help with this question, i am struggling badly with math. Please help me. Thank you for your time and effort.
marisol
Click here to see answer by ankor@dixie-net.com(15652)

Question 598171: A small university surveyed 77 of its freshmen business students. the students were asked whether they read Business Week (BW), The Wall Street Journal (WSJ), or Fortune. The results of the survey are below:
25 of the students read BW
27 do not read Fortune
19 read The WSJ
9 read all three
13 read BW and Fortune
11 read BW, but not The WSJ
11 read The WSJ and Fortune.
a. Create the Venn Diagram associated with this problem.
b. How many students read Fortune only?
c. How many students read either Business Week or Fortune?
Please and Thank you. :)
Click here to see answer by solver91311(16885)

Question 598290: Simone has placed 18 dimes in a row on a table. Always starting from the left, first she exchanges each third coin for a quarter; then she exchanges each second coin for a nickel; and finally, she exchanges each ninth coin for a penny.
In cents, how much money does Simone have after the final exchange?
Click here to see answer by math-vortex(472)

Question 598359: Ohm’s Law relates to a simple electric circuit and states:

One circuit has a resistance of 8 ohms when the voltage is 48 volts and the current is 6 amperes. What is the resistance of a second circuit that has a
voltage of 128 volts and a current of 8 amperes?

the resistance is directly proportional to the voltage and inversely proportional to the current.
Click here to see answer by Alan3354(30993)

Question 598559: The strontium-90 in a nuclear reactor decays continuously. If 200 mg is present initially, the amount present after t years is given by A(t)=200e^-0.0248t. Find, to nearest hundredth, the amount letft after 50 years.
I really could use some help with this word problem. I would greatly appreciate your help and I thank you.
Click here to see answer by ankor@dixie-net.com(15652)

Question 598841: a group of students decided to purchase a tv ranging from 170 to 195 $. but at the last moment, two students backed out of the decision so that the remaining students had to pay 10 $. more than they had planned. find the cost of the tv if the amount has been shared equally among the students.
Click here to see answer by ankor@dixie-net.com(15652)

Question 599356: the function given by f(x)=3x
converts x yards to feet
a. is f a one-to-one function? why or why not?
b. Find f-1(x) and interpet what it calculates
(the -1 actually looks like a negative 1 exponent but I couldnt figure out to type it in that way
Click here to see answer by Earlsdon(6287)

Question 599432: If a stone is thrown upward from a height of 8.25 feet with an initial velocity of 64 feet per second, how long does it take for the stone to fall to the ground? Give answer to the nearest one-hundredth. (Formulas: ; where h represents final height, is initial velocity, t is time and is the initial height)
Click here to see answer by nerdybill(6958)

Question 599460: Please help me solve this problem: one angle of a linear pair is 10 more than two-thirds the other angle. Find both angles.
Click here to see answer by nerdybill(6958)

Question 599480: Negate :-

1- it is not raining and it is not snowing.
2- x is greater then y .
Click here to see answer by Edwin McCravy(8909)

Question 599515: If a water tank takes 5 minutes to fill and 7 minutes to empty.If the drain is left open when being filled, how long dose it take to fill the tank.
Click here to see answer by w_parminder(53)

Question 599674: it's been awhile since I've worked out story problems, my step daughter came home today with some and I'm hoping I could get some help refreshing my memory how they are done,so I can help her.I vaguely remember using a box to solve, any how here is the first one.
Admission to a baseball game is $3.00 for general admission and $6.00 for reserved seats. The receipts were $3561.00 for 868 paid admissions. how many of each ticket were sold?
Click here to see answer by ankor@dixie-net.com(15652)

Question 599901: If X units of a product cost c dollars to manufacture and earn revenue of R dollars the value of X where the expressions for C and R are equal is called the break-even quantity the number of units that produce zero profit. Find the break - even quantity when C=13x+80000 and R=18X.
How many units must be produced and sold in order to break even?
Click here to see answer by ankor@dixie-net.com(15652)

Question 600270: 5 people take 55 minutes to finish a job, if all people work at the same rate 11 people should finish the same job in
Click here to see answer by stanbon(57347)

Question 600276: the school cafeteria needs to buy no more than 28 pounds of apples. A supermarket sell 4-pounds and 7-pounds of apples. write and graph inequality showing the number of 4-pound and 7-pound bags of apples the cafeteria can buy
Click here to see answer by josmiceli(9678)

Question 600376: A kitchen floor is 3 feet longer thann it is wide. The area of the floor is 180 square feet. Find the demensions of the kitchen.

Click here to see answer by jim_thompson5910(28595)

Question 600376: A kitchen floor is 3 feet longer thann it is wide. The area of the floor is 180 square feet. Find the demensions of the kitchen.

Click here to see answer by mamiya(56)

Question 600073: How can you write 24 with three equal digits, none of them being 8?
Click here to see answer by richard1234(5390)

Question 600821: Myra bought a chair for $400 and sold it for $800. What is the percentage of gain.
Click here to see answer by Alan3354(30993)

Question 600760: local flower want to charge you $7.00 for the vase and $1.25 for each flower you put in the vase.You only have $27.00.Hw many flowers cn you buy?

Click here to see answer by Alan3354(30993)

Question 601064: A cooler is 60 cm long, 24 cm wide, and 30 cm tall. What is the capacity in liters?
A. 4.32
B. 43.2
C. 432
D. 43,200

Thank you!
Click here to see answer by jim_thompson5910(28595)

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