Questions on Word Problems: Evaluation, Substitution answered by real tutors!

Tutors Answer Your Questions about Evaluation Word Problems (FREE)

Question 751364: An amusement park charges one admission price for adults and another admission price for children under 12. The Smoke family has two adults and three children under 12. The cost for their admission to the amusement park is $80. The Chalmers family has three adults and one child under 12. Their total admission cost is $99. What is the admission price for an adult and the admission price for a child?
Click here to see answer by josgarithmetic(1516)

Question 750267: An ice cream container is cylindrical with diameter 30cm and height 50cm and is filled with ice
cream. The ice cream scoop makes ice cream scoops of diameter 6cm. How many one scoop
cones can be made from one cylinder of ice cream?
Click here to see answer by JoeTaxpayer(115)

Question 749223: Solution A is 12% acid and Solution B is 4% acid. If a technician wants to mi them to make 60 liters of Solution C which is 10% acid, how many liters of each should be mixed together?
Click here to see answer by josgarithmetic(1516)

Question 749229: Solution A is 12% acid and Solution B is 4% acid. If a technician wants to mix them to make 60 liters of Solution C which is 10% acid, how many liters of each should be mixed together? I REALLY need help!!! n
Click here to see answer by Alan3354(30993)

Question 749244: A chemical technician had Solution A which is 10% and SOlution B which is 6% acid. If the technician wants to mis both solutions to mkae 100 Liters of Solution C which is 7% acid, how many liters of each should be mixed together? Solve the system by using substitution. I REALLY need some help!!!
Click here to see answer by solver91311(16885)

Question 749228: Solution A is 12% acid and Solution B is 4% acid. If a technician wants to mix them to make 60 liters of Solution C which is 10% acid, how many liters of each should be mixed together? I REALLY need help!!!
Click here to see answer by josmiceli(9678)

Question 749208: This is a word problem. Solution A is 8% and Solution B is 4%. If a technician wans to mix them to make 150 liters of Solution C which is 6% acid, how many liters of each should be mixed together! I REALLY need help!
Click here to see answer by stanbon(57346)

Question 748230: Luke is riding his bicycle on a circular track. If he completes 10 revolutions in 5 minutes, what is his angular speed in radians per second?
Click here to see answer by Alan3354(30993)

Question 748001: What is the conclusion of the statement
If x^2 = 4, then x=-2 or x=2
Click here to see answer by MathLover1(6632)

Question 747692: Michael sold a total of 320 tickets at a fair. The money recived was $1255. Each adult ticket was $5 and each child ticket was $2. How many adult tickets did he sell.
Click here to see answer by Cromlix(337)

Question 746303: A bistro has decided to open an outdoor eating area along one wall of the building. The outdoor area will be rectangular. Assume the restaurant wants to maximize the outdoor area.
A) Suppose there is 160 feet of fencing available for the three sides that require fencing. Write an equation to model this situation and explain your work
B) How long will the longest side of the fence be?
C) What is the maximum area?
Click here to see answer by Cromlix(337)

Question 745957: Square or Cube? Find at least one positive integral solution to the equation: (integral means x and y must be integers) (-x)²y - y³ = 105. Please explain your response, because I don't have a clue. Thanks for your help!
Click here to see answer by Edwin McCravy(8909)

Question 743064: A family has two cars. The first car has a fuel efficiency of miles per gallon of gas and the second has a fuel efficiency of miles per gallon of gas. During one particular week, the two cars went a combined total of miles, for a total gas consumption of gallons. How many gallons were consumed by each of the two cars that week?
Click here to see answer by ankor@dixie-net.com(15652)

Question 743170: 7,700.00 is 20% on what whole number?
Click here to see answer by rfer(12657)

Question 742477: A candy company mixes 20% fat- content chocolate with a 15% fat- content chocolate to obtain 50 pounds of a 16% fat content chocolate. How many pounds of each type of chocolate should be used?
(write 2 equations and solve this system of equations.)
Click here to see answer by lwsshak3(6505)

Question 738795: On a rural highway a police officer sees a motorist run a red light at 50 mi/h
and begins pursuit. At the instant the police officer passes through the intersection at 60 mi/h, the motorist is 0.2 mi down the road. When and where will the officer catch up to the motorist?

Click here to see answer by fcabanski(874)

Question 738793: Kerry asked a bank teller to cash a $390 check using $20 bills and $50 bills. If the teller gave her a total of 15 bills, how many of each type of bill did she receive?
Click here to see answer by fcabanski(874)

Question 734765: Find three consecutive positive odd intergers such that the square of the smallest exceeds twice the largest by 7 | ONLY AN ALGEBRAIC SOLUTION WILL BE ACCEPTED?|
Click here to see answer by stanbon(57346)

Question 732504:

Carol took a math test and answered 16 of the 20 questions correctly. What was Carol’s percentage score on the test?

Click here to see answer by checkley79(3050)

Question 730285: The population of a town increases according to the model: P(t)=2500e^(0.0293t), in which t is the time in years with t=0 corresponding to 1990. Use the model to estimate the population in
2025
(The 0.0293t is an entire exponent.)
An explanation would be really nice so that I can do future ones like this on my own.

Thanks!
Click here to see answer by lynnlo(4164)

Question 730003: The width of a rectangle is one third of the length. If the perimeter is 96 cm, find the width.
Click here to see answer by lynnlo(4164)

Question 729231: Working together, it takes two computers minutes to send out a company’s email. If it takes the slower computer minutes to do the job on its own, how long will it take the faster computer to do the job on its own?
Click here to see answer by Alan3354(30993)

Question 728450: Kerry asked the bank teller to cash a $390 check using $20 bills and $50 bills. If the teller gave her a total of 15 bills, how many of each type of bill did she receive?

Click here to see answer by richwmiller(9135)

Question 726847: five years ago i was 5 times older than my son, in 8 years time i will be 3 times older than my son. how old am i today?
Click here to see answer by josmiceli(9678)

Question 726735:
Twice my first number plus four times my second number is 100. what two numbers am i thinking of?
Click here to see answer by checkley79(3050)

Question 726665:
1.Traveling 900km by rail costs Rs 280, What would be the fare for a journey of 360km when a person travel by the same class.
2. 3/4 of the salary of per month is Rs 600. What is the salary per month?
Click here to see answer by checkley79(3050)

Question 726692: A 36 foot section of a log is cut into three pieces. The second piece is twice the length of the first and the third piece is equal to the length of the first two pieces. How long (in feet) is the longest section?
Click here to see answer by mbmodak(32)

Question 726145: A catering company needs to provide 10 lbs of mixed nuts for a wedding reception. The couple has budgeted $42 for nuts. Peanuts cost $3.00/ lb and cashews cost $7.00/ lb. how many pounds each of peanuts and cashews should the catering company combine?
Click here to see answer by checkley79(3050)

Question 725634: Is this easy to do????????????
Click here to see answer by stanbon(57346)

Question 725106: Pls evaluate the following;
(-5)^0
I believe it is 1 but I am trying to remember the written formula.
Click here to see answer by ankor@dixie-net.com(15652)

Question 724385: How do you solve..... I purchased 35 total pens. I purchased 4 times as many red ones than I did black ones. How do I write the equation that represents each color pen? r+b=35?
Click here to see answer by josmiceli(9678)

Question 723804: the ratio of two numberds is 3:4. If the difference is 12 find its smaller number

Click here to see answer by fcabanski(874)

Question 723755: You buy x keychains for $2 each and y snow globes for $3 each. You spend $22 for 9 items. How many keychains do you buy?
Click here to see answer by mananth(12270)

Question 723706: find all the roots and check answer. x 2nd + 5x-14=0
Click here to see answer by checkley79(3050)

Question 722637: (16x2 -56x+40)÷8 show by dividing
Click here to see answer by MathLover1(6632)

Question 720992: If a piece of wood is 5cm longer than a second piece and 3 divide by 4 of the second piece is equal to 3 divide 5 of the first.What is length of second piece
Click here to see answer by DrBeeee(378)

Question 720361: the equation p=2t+2w gives the perimeter p of a rectangle with length l an width w.
Click here to see answer by Alan3354(30993)

Question 718743:
If 5 times the smaller of two numbers is subtracted from twice the larger, the result is 16. If the larger is increased by 3 times the smaller, the result is 63. Find the numbers.
Click here to see answer by checkley79(3050)

Question 717616: find the solution to each system by the substitution method. 3x-5y=7 x-4y= -7
Click here to see answer by rfer(12657)

Question 717701: If possible, sole each sytem of equations. Use any method. If there is not a unique solution to a system, state a reason. 2x-8y=5 -6x+24y=15
Click here to see answer by stanbon(57346)

Question 717587: Parallel to x-y=4 and passing through (-3,2)
Click here to see answer by MathLover1(6632)

Question 717593: When graphing y < -6, should the region below the line y = -6 be shaded or should the region above the line y= -6 be shaded?
Click here to see answer by algebrahouse.com(1079)

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