Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)
Question 1078485: Some children were at a party. If 45 boys left the party, the ratio of the number of boys to the number of girls would become 5:3. If 38 girls left the party, the ratio of the number of boys to the number of girls would become 2:1. How many children were at the party?
Click here to see answer by josgarithmetic(39614)  |
Question 1078530: kiko walks dogs in her neighborhood to earn money. Today she spends 15 extra minutes with the dogs, spending twice as much time as she did yesterday. How many minutes did she spend walking the dogs yesterday?
Click here to see answer by Theo(13342)  |
Question 1078631: A $136, 000 trust is to be invested in bonds paying 8%, CDs paying 7%, and mortgages paying 10%. The sum of the investments in bonds and CDs must equal the mortgage investment. To earn $12,040 annual income from the investments, how much should the bank invest in bonds?
Click here to see answer by stanbon(75887) |
Question 1078717: Traffic signs are regulated by the Manual on Uniform Traffic control Devices MuTcD) The perimeter a rectangular traffic sign is 106 inches Also its length is 15 of inches longer than its width Find the dimensions of this sign.
Click here to see answer by Boreal(15235)  |
Question 1078778: 5. Comparing options to fly to Las Vegas, parking my car at the airport: Willard airport in Champaign has a fare available of $463.28 with parking for $5 per day, and O’Hare airport in Chicago has a fare of $430.58 with economy parking for $9 per day. write an equation for cost
Click here to see answer by josmiceli(19441)  |
Question 1078715: Jen Butler has been pricing Speed-Pass train fares for a group trip to New York Three adults and four children must pay $120. Two adults and three children must pay $85. Find the price of the adults ticket and the price of a child's ticket.
Click here to see answer by jorel1380(3719)  |
Question 1078982: The area of a square farm field was 25 acres. The field was devided into seperate square lots 1 acre. A fence was placed arround the outside oof the entire field. The base price for a lot was $1200. Lots on the edge, which had fenses, cost $150 more for each side that had a fence. What were the different prices for the lots in the fieldand how many of each price were there?
Click here to see answer by addingup(3677)  |
Question 1078983: Write a convinceing argument: solve the problem below. Then write an argument that would convince a classmate that your answer is correct.
John was hired by a painter to paint doors. He was paied $10 for each door that he completed that did not need repainting by a painter. For each door that needed to be re-done, he was fined $5. On a bd day he painted 25 doors, but made a totaly of only $10. How many doors did he paint that did not need to be repainted?
Click here to see answer by josmiceli(19441) |
Question 1079078: A soda can that has a temperature of
80 degrees
F is put into a cooler containing ice (
32degrees
F). The temperature of the soda can
after t minutes can be modeled by f(t)=32+48(0.9)^t
How long will it take to cool the can of soda down to 50 degrees?
Click here to see answer by Boreal(15235) |
Question 1079080: After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1987, the hay in that country was contaminated by a radioactive isotope (half-life 6 days). If it is safe to feed the hay to cows when 88% of the radioactive isotope is gone, how long did the farmers need to wait to use this hay?
Click here to see answer by Boreal(15235) |
Question 1079082: The Murphy family and the Perez family each used their sprinklers last summer. The water output rate for the Murphy family's sprinkler was
25L
per hour. The water output rate for the Perez family's sprinkler was
30L
per hour. The families used their sprinklers for a combined total of
40
hours, resulting in a total water output of
1125L
. How long was each sprinkler used?
Click here to see answer by htmentor(1343)  |
Question 1079154: Your neighbors have just finished installing a new swimming pool at their home. The pool measures 15 feet by 20 feet. They would like to plant a strip of grass of uniform width around three sides of the pool, the two short sides and one of the longer sides.
a) Sketch a diagram of the pool and the strip of lawn, using x to represent the width of the uniform strip.
b) write an equation for the area, A, in terms of x that represents the lawn area around the pool.
c) Your neighbors have enough seed for 168 square feet of lawn. Write an equation that relates the quantity of seed to the area of the uniform strip of lawn.
d) Solve the equation in part c to determine the width of the uniform strip that can be seeded.
Click here to see answer by Fombitz(32388)  |
Question 1079297: How would you say an equation of a hyperbola & an ellipse are similar? What do they have in common? I need help graphing the equations of a hyperbola with an ellipse that share the vertices & center. Thanks a lot.
Click here to see answer by alyx_v(38)  |
Question 1079293: A ball is thrown downward from the top of a 130-foot building with an initial velocity of 29 feet per second. The height of the ball h after t seconds is given by the equation.h= −16t2−29t+130. How long after the ball is thrown will it strike the ground?
Click here to see answer by Alan3354(69443)  |
Question 1079359: Baseball cards were given to every person entering the stadium. One group got 28. the second group got 68. If each person entering received the same number of cards, what was the greatest possible number of cards each person could have received?
Click here to see answer by josmiceli(19441) |
Question 1079400: Hi
a row of 865 trees was planted. Between the first and second tree 2 flowers were planted. Between the second and third trees 1 flowerwas planted. Between the third and fourth tree 2 flowers were planted, and so on to the end of the row. How many flowers were planted.
thanks
Click here to see answer by KMST(5328)  |
Question 1079461: Elliot, Ryan and Andrew collect shells.
Elliot collects 20% more shells then Andrew.
Ryan collects 40% more shells than Elliot.
How much percent greater is the amount of Shells Ryan collected than the shells Andrew collected.
Click here to see answer by josmiceli(19441) |
Question 1079459: Confused. Does this mean he did not deposit anything initially?
Marty opened a savings account to deposit a portion of his monthly salary. Without considering interest earned, his savings account is modeled by the function f(x) = 300x + 500. How much money did Marty initially deposit?
a)$0
b)$300
c)$500
d)$800
Click here to see answer by Boreal(15235) |
Question 1079459: Confused. Does this mean he did not deposit anything initially?
Marty opened a savings account to deposit a portion of his monthly salary. Without considering interest earned, his savings account is modeled by the function f(x) = 300x + 500. How much money did Marty initially deposit?
a)$0
b)$300
c)$500
d)$800
Click here to see answer by solver91311(24713)  |
Question 1079480: 1. In 2013 there were 50,304 runners in New York City Marathon. Each runner rus a distance of 26.2 miles. If you add together the total number of miles for all runners how many times would they run back and forth from the earth to the moon? Consider the distance from the earth to the moon to be 2.389x10^5 miles.
2. What is the percentage of adults who have IQ between 70 and 130
3. What is the percentage of adults who have an IQ over 130
4. Find the number of hours required to melt the block of ice when it is 90 degrees
5. How much OxyContin is in a person's body after 24 hours? Is it all gone?
Click here to see answer by Boreal(15235) |
Question 1079659: A survey asked people how many phone numbers they have stored in their cell phone. The results are shown in the table.
Phone numbers Frequency
0-5 25
6-10 50
11-15 48
16-20 22
21-25 14
What is the probability that a person surveyed, chosen at random, has 6-10 phone numbers stored in his or her cell phone?
Click here to see answer by stanbon(75887) |
Question 1079618: a roadway on a suspension bridge is held up by cables that are parabolic in shape. If the towers are 100ft high (as measured from the roadway) and the distance between the towers is 500ft, find the height of the cables above the roadway at a point 100ft from the towers.
Need help please, do not know how to set this problem up.
Click here to see answer by KMST(5328) |
Question 1079683: Sara deposit $ 11,000 in an account that pays 2.5% compounded annually. Determine the amount of her investment at the end of 3 years.
A. 1st year
Interest-
Total-
B. 2nd year
Interest-
Total-
C. 3rd year
Interest-
Total-
Click here to see answer by jorel1380(3719) |
Question 1079678: 1.The number of hours h required for a block of ice to melt varies inversely with the temperature t.
A. This means that when the temperature increases, the time required to melt the ice will?
B. When it is 60 degrees, it takes 2 hours to melt a block of ice. Determine an equation that relates the number of hours required to melt the block of ice to the temperature.
C.Find the of hours required to melt the block of ice when it is 90 degrees
Click here to see answer by josgarithmetic(39614) |
Question 1079780: A tree farm sells 15% of its trees each year. The owners of the farm also plant 120 new trees each year.
If the tree farm has 500 trees after the annual planting one year, how many trees will there be 1 year later after the annual planting?
After many more years have passed, the tree farm reaches an equilibrium where they plant exactly as many trees as they sell. How many trees will the tree farm have after the annual planting once this equilibrium has been reached?
Click here to see answer by addingup(3677) |
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