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Tutors Answer Your Questions about Evaluation Word Problems (FREE)
Question 993543: A manufacturer od automobile water pumps is considering retooling for one or two manufacturing processes, with monthly fixed costs and unit costs as indicated in the table. Each water pump can be sold for $50.
Process A:
Fixed Costs: $12,390
Unit Cost: $29
Process B:
Fixed Costs: $20,460
Unit Cost: $17
A. How many water pumps should be sold per month for the manufacturer to break even if process A is used to produce the pumps?
B. How many water pumps should be sold per month for the manufacturer to break even if process B is used to produce the pumps?
(Hint: To break even, revenue=costs)
C. If expected sales are $50 water pumps per month, which process should be used?
Click here to see answer by solver91311(24713)  |
Question 993546: A manufacturer od automobile water pumps is considering retooling for one or two manufacturing processes, with monthly fixed costs and unit costs as indicated in the table. Each water pump can be sold for $50.
Process A:
Fixed Costs: $12,390
Unit Cost: $29
Process B:
Fixed Costs: $20,460
Unit Cost: $17
A. How many water pumps should be sold per month for the manufacturer to break even if process A is used to produce the pumps?
B. How many water pumps should be sold per month for the manufacturer to break even if process B is used to produce the pumps?
(Hint: To break even, revenue=costs)
C. If expected sales are $50 water pumps per month, which process should be used?
Click here to see answer by solver91311(24713)  |
Question 995383: A salmon fillet initially at 50 F is cooked in an oven at a constant temperature of 400 F. After ten minutes, the temperature of the filet rises to 160 F. How long does it take until the salmon is medium rare at 220 F
Click here to see answer by addingup(3677)  |
Question 997872: When each of three numbers is added to twice the sum of the other two, the results are 64, 62 and 59. Determine the numbers (algebraically).
I have come up with the equations:
a+2(b+c)=64
b+2(a+c)=62
c+2(b+a)=59
I am unsure of how to further solve for the unknown values.
Click here to see answer by solver91311(24713)  |
Question 999780: Tickets to DC'S Mr.DCHS are $3per student and $5 per adult.The number of adult tickets sold was 195 more than the number of student tickets. If DCHS collected $3943 for the tickets, how many tickets were sold to students? How many were sold to adults?
Click here to see answer by macston(5194)  |
Question 1003537: Certain drugs are eliminated from the bloodstream at an exponential rate. Doctors and pharmacists need to know how long it takes for a drug to reach a certain level to determine how often patients should take medications. Answer the following questions about this situation.
Write an exponential model for the following situation. The drug dosage is 500 mg. The drug is eliminated at a rate of 5.2% per hour. Use D = the amount of the drug in milligrams and t = time in hours.
How much of the drug is left after 6 hours? Round to the nearest milligram.
Click here to see answer by josgarithmetic(39616) |
Question 1003537: Certain drugs are eliminated from the bloodstream at an exponential rate. Doctors and pharmacists need to know how long it takes for a drug to reach a certain level to determine how often patients should take medications. Answer the following questions about this situation.
Write an exponential model for the following situation. The drug dosage is 500 mg. The drug is eliminated at a rate of 5.2% per hour. Use D = the amount of the drug in milligrams and t = time in hours.
How much of the drug is left after 6 hours? Round to the nearest milligram.
Click here to see answer by stanbon(75887) |
Question 1003739: A nurse must be careful not to inject a drug too quickly into a patient’s IV. If the drug is injected at the maximum rate of 0.1 cc per second, and the total amount to be injected is 30 cc,
a. Create an equation that tells the amount injected as a function of time (in seconds);
b. Determine the time required to complete the injection.
Click here to see answer by josmiceli(19441)  |
Question 1004078: The concentration of a drug (in milligrams per liter) in a medical pateitsn bloodstream is given by the forumla
C(t)= 8/t^2 +2
Where t is the time in hours after the drug is given. How long will it take for a patient to have 1.5 milligrams per liter of a drug in their system?
Click here to see answer by josgarithmetic(39616) |
Question 1004078: The concentration of a drug (in milligrams per liter) in a medical pateitsn bloodstream is given by the forumla
C(t)= 8/t^2 +2
Where t is the time in hours after the drug is given. How long will it take for a patient to have 1.5 milligrams per liter of a drug in their system?
Click here to see answer by MathTherapy(10551)  |
Question 1004275: The area of a circle is directly proportional to the square of its radius. The area of a circle whose diameter is 40 cm is 1256 sq cm. What is the area of a circle whose diameter is 20 cm? 10 cm? 12 cm? 30 cm?
Click here to see answer by Cromlix(4381)  |
Question 1005265: A test contains 200 multiple choice questions. The marking rule is designed such that 2 marks are awarded for each correct answer and 1 mark deducted for each wrong answer. If there are N questions answered correctly by a student, find their final score in terms of N.
Thanks!
Click here to see answer by macston(5194)  |
Question 1006469: A bag contains some silver balls and golden balls. If you remove one silver ball from the bag, 1/7 of the remaining balls in the bag are silver. If you remove 2 GOLDEN balls from the bag, 1/5 of the remaining balls in the bag are silver. How many balls are there in the bag at first?
Please have a clear explanation, thanks!
Click here to see answer by ikleyn(52775)  |
Question 1006469: A bag contains some silver balls and golden balls. If you remove one silver ball from the bag, 1/7 of the remaining balls in the bag are silver. If you remove 2 GOLDEN balls from the bag, 1/5 of the remaining balls in the bag are silver. How many balls are there in the bag at first?
Please have a clear explanation, thanks!
Click here to see answer by josmiceli(19441)  |
Question 1006659: The local middle school had a concert to raise money. Tickets were $6.00 for adults and $4.00 for children. The committee figured there were 480 in attendance and that $2340.00 was raised. How many adults and how many children attended?
Click here to see answer by Ani_g(8) |
Question 1007145: Q18. The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?
a. 24 days
b. 80 days
c. 22 days
d. 78 days
Click here to see answer by fractalier(6550)  |
Question 1007697: I need help solving this word problem using elimination instead of substitution. The sum of two numbers is 38 and their difference is 16. find each number. all I figured out was my two equations. x+y=38 and x-y=16
Click here to see answer by stanbon(75887) |
Question 1010260: This is about word problems, Mrs. Carey cashed a $600 check in her bank. She received a five dollar bill this is about word problems, Mrs. Carey cashed a $600 check in her bank. She received a $5 bills and $10 bills. The number of $10 bills was 10 less than three times the number of $5 bills. How many bills of each type did Mrs. Carey receive?
Click here to see answer by fractalier(6550)  |
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