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

Tutors Answer Your Questions about Miscellaneous Word Problems (FREE)

Question 455372: The question is: A river has a current of 3mph. A boat goes 35 miles upstream in the same time as it goes 45 miles downstream. Find the speed of the boat in still water?
I tried the following: d=rt let upstream = u and downstream =d so
45=3u+d - (35=3u+d) Please help i don't believe I'm doing this correctly.

Click here to see answer by oberobic(2304)

Question 455436: OBJECTIVE: This exercise aims to develop ones comprehension of worded problems and in the end, develops the skill in formulating equations based on given information.
Click here to see answer by richwmiller(17219)

Question 455585: 1. Each year, I plant a fruit/vegetable garden in the spring. I grow a variety of things, but my BIG plantings are of tomatoes and peppers. However, getting my seeds to sprout is not as easy as you�d think�.
A. This year, I seeded both peppers and tomatoes, using a total of 120 seeds. Write an equation to show this.

B. I sowed nine times as many tomato seeds as pepper seeds. Write an equation to show this.

C. How many tomato seeds did I plant?

D. How many pepper seeds did I plant?

Click here to see answer by rfer(16322)

Question 455457: A 3digit no.in which the digit in the unit place is the smallest of the 3 digit
is such that the sum of the squares of the digit is 149.if each of the digit is replaced by it's predecessor,the new no.has 2 digit common with the original no.
the digit in the unit place of the original no. is?
Click here to see answer by ankor@dixie-net.com(22740)

Question 456061: A chemistry teacher needs 2.5 liters of a sulfuric acid solution that is 20% sulfuric acid and 80% water . He has 2 liters of a 15% sulfuric acid solutionleft over from earlier laboratory exercises. He also has 44 liters of a 50% solution. Let x represent the number of liters of the 15% solution that can be mixed with Y liters of the 50% solution to make 2.5 liters of the needed 20% solution. Which of the following shows a system of equations that could get the solved to find the amounts of the 15% and 50% solutions that could be mixed to get the required solution?
A) X+Y=2.5
0.15X+0.50Y=0.20
B) x+y=0.20(2.5)
0.15x+0.50y=2.5
C) x+y=2.5
0.15x+0.50y=0.20(2.5)
D)x+y=0.65
x+y=0.20(2.5)
Click here to see answer by stanbon(75887)

Question 456221: An endangered species of fish has a population that is decreasing exponentially Assume continuous decay. The population 8 years ago was 1600. Today, only 700 of the fish are alive. Once the population drops below 100, the situation will be irreversible. When will this happen, according to the model? (Round to the nearest whole year.)
A. 19 years from today
B. 20 years from today
C. 21 years from today
D. 18 years from today

Click here to see answer by stanbon(75887)

Question 456311: Can someone help me with this problem? it is confusing.
The function, p(d) = 1 + d/33 gives the pressure in atmospheres (atm), at a depth d in the sea (d is in feet). Note that p(0) = 1 atm, p(33)=3, and so on. Find the pressure at 110 feet.
Click here to see answer by ankor@dixie-net.com(22740)

Question 456220: The half-life of silicon-32 is 710 years. If 30 grams is present now, how much will be present in 100 years? (Round your answer to three decimal places.)
A. 11.302
B. 0.021
C. 27.21
D. 29.709

Click here to see answer by ankor@dixie-net.com(22740)

Question 456397: The sum of the squares of two consecutive positive odd integers is 202. Find the numbers.
Click here to see answer by tinbar(133)

Question 456397: The sum of the squares of two consecutive positive odd integers is 202. Find the numbers.
Click here to see answer by Alan3354(69443)

Question 456399: Find the ratio of sunny to cloudy days in a year with 365 days, with 275 of them sunny.
Click here to see answer by rfer(16322)

Question 456188: i subscribe to the comic-of-the-month club. each month i can buy any number of the 48 titles offered by the club. the first month i bought five comic for $3.07. the second month i bought two comics for $1.72. the next month i bought six of the club offerings for $3.52. in may i bought three more for $2.17. the club charges a fee foe each comic and a handling fee for the entire order. how much would it have cost to buy all 48 titles at the same time?
i would like a step- by step explannTION AND IF I COULD GET AN ANSWER TODAY OR EARLY TOMORROW THAT WOULD BE GREAT THANKS.
Click here to see answer by ankor@dixie-net.com(22740)

Question 456641: The nutritional label on a snack food indicates that one serving of the
snack provides 20% of the daily adult requirement of protein. If one
serving weighs 1 3/4
ounces, how many ounces of the snack food
would provide 100% of the daily requirement of protein?
Click here to see answer by richwmiller(17219)

Question 456557: I am really struggling with this. Could you please show me step by step how to solve this?
The speed of train A is 20mph slower than the speed of train B. Train A travels 190 miles in the same time it takes train B to travel 290 miles. Find the speed of each train.
Thanks!! Was never good at word problems.
Click here to see answer by ankor@dixie-net.com(22740)

Question 456876: v/-3=6
Click here to see answer by rfer(16322)

Question 456875: Equal amounts are invested at 6%, 7%, and 9% annual interest. If the three investments yield a total of $880 annual interest, find the total investment.
Click here to see answer by mananth(16946)

Question 456917: I just can't seem to catch on to word problems - can you help? I need to have a problem similar to the one below and I just do not know how to come up with one:
Jed's student loan totaled $16,200. Part was a Perkins loan made at 5% interests and the rest was a Stafford loan made at 4% interest. After one year, Jed's loans accumulated $715 in interest. What was the amount of each loan?
Click here to see answer by richwmiller(17219)

Question 456926: I need a little help solving this, can you assist?
Michael's student loan totaled $2500. Part was made at 3% interest and the rest at 2.5%. After one year, Michael had accumulated $97.50 in interest. What was the amount of each loan?

Click here to see answer by richwmiller(17219)

Question 456925: I need a little help solving this, can you assist?
Michael's student loan totaled $2500. Part was made at 3% interest and the rest at 2.5%. After one year, Brandt had accumulated $97.50 in interest. What was the amount of each loan?

Click here to see answer by richwmiller(17219)

Question 456927: I need a little help solving this. Can someone help?
Sharon, a banking vice-president, took 17 neckties to Don's Dry Cleaners. The rate for non-silk ties is $3.25 per tie and for silk ties is $3.60 per tie. Her total bill was $58.75. How many silk ties did she have dry cleaned?

Click here to see answer by richwmiller(17219)

Question 456996: If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working together to mix the 20 drinks?
Click here to see answer by ankor@dixie-net.com(22740)

Question 457142: The product of two consecutive positive integers is 1 more than their sum. Find the integers.
Click here to see answer by ankor@dixie-net.com(22740)

Question 457162: Can anyone show me how to solve this?
The perimeter of a rectangle is 104 cm. The length is 7 m more than twice the width. Find the dimensions. What is the length? What is the width?
Click here to see answer by Alan3354(69443)

Question 457224: Ms. Edwards and three other students decided to invest part of their college fund in to the stock market.they all chose one big name stock to invest in, and each invested $1,000.00. after one month, they checked the stock listings to see how they did. it turned out that three of them came out ahead and the fourth lost money. from the clues below, determine the full name of each woman, which stock she invested in, and how much each woman made or lost.
1. two people made more money than the woman who invested in ibm
2. Ms. Kortright did not invest in att, but the woman who did made the most money.
3. Vickie made $700. which made her the big winner.
4. Ms.Mcdonald lost $300, and tina made $200.
5. Nita did not invest in xerox.
6. the woman who invested in ford was the only one who lost money.
7. Luann, who is neither Ms. Kortright nor Ms.Mcelhatton, made $300 less than vickie
Click here to see answer by bucky(2189)

Question 457149: Soybean meal is 16% protein; cornmeal is 8% protein. How many pounds of each should be mixed togetehr in order to get 320-lb mixture that is 15% protein?

Click here to see answer by josmiceli(19441)

Question 457701: the following cryptic message is perhaps one of the most widely-known mathematical puzzles.The object is to determine the digits represented by the letters
Click here to see answer by richwmiller(17219)

Question 457718: AT the beginning of a walk, Roberto and Juanita are 9.9 miles apart. If they leave at the same time and walk in the same direction, Roberto overtakes Juanita in 11 hours. If they walk towards each other, they meet in 1 hour. What are their speeds?
Click here to see answer by ankor@dixie-net.com(22740)

Question 457875: Mitch practices playing the violin every evening for 1 hour and 45 minutes. What is the positive difference between the total degrees traveled by the minute hand and the total degrees traveled by the hour hand during Mitch�s practice? Express your answer as a decimal to the nearest tenth.
Click here to see answer by ankor@dixie-net.com(22740)

Question 457835: A student plans to drive at night from Albuquerque to Dallas. He will drive 253 miles in New Mexico at 75 mph, then 410 miles in Texas at 65 mph.
The equation for this is T(a) = 253/a+75 + 410/a+65
By how much would he have to exceed the speed limits for the driving time to be 9 hours?..
Then it says to verify by using a graphing calc.
Click here to see answer by ankor@dixie-net.com(22740)

Question 457874: Kari has an analog clock, shown here, with a minute hand of length 12 in. When Kari�s clock strikes 2 o�clock, what is the area of the right triangle formed by drawing a segment from the end of the minute hand to the end of the hour hand? Express your answer in simplest radical form.
Click here to see answer by Edwin McCravy(20054)

Question 457899: Please help I have two different answers and not sure of the correct one. Thanks.
Consider the experiment of rolling a single die. Find the probability of the event described.
What is the probability of rolling a number that is divisible by 3 and 6?

Click here to see answer by rfer(16322)

Question 458013: the purchasing agent for a transport company is analyzing bids for seat belts from two suppliers A and B. the difference in the cost per unit from each supplier is $5, if for $1200 the agent could buy ten more belts from suppliers"A" then from supplier B. How many belts could he buy from A for $1500
Click here to see answer by stanbon(75887)

Question 458005: a painter had 25 liters of paint. he used 2.5 liters of paint every hour. he finished the job in 5.5 hours. how much paint did he have left?

Click here to see answer by edjones(8007)

Question 457977: A certain set of data has a mean of 20 and a Standard deviation of 4.5. It is found that two pieces of data have been omitted, one of value 30 and the other of value 25. Find the mean and S.D of the full 25 pieces of data.
Click here to see answer by edjones(8007)

Question 458120: A wire 20m long is attached to the top of a telephone pole. The wire is just able to reach a point on the ground 12m from the base of the telephone pole. Find the height of telephone pole.
Click here to see answer by richwmiller(17219)

Question 458118: The dimensions of a rectangular doorway are 200cm by 90cm. Can a table top with a diameter of 210cm be carried through the doorway? Provide mathematical evidence to support your answer?
Click here to see answer by richwmiller(17219)

Question 458121: The distance between each of the bases on a baseball diamond is 90ft. A catcher often has to throw from home to 2nd base in order to get a player who is stealing bases out. How far does a catcher have to throw in this situation?
Click here to see answer by ankor@dixie-net.com(22740)

Question 458283: In triangle ACB
a=230 ft
b=110 ft
angle C=34 degrees
can you help me find side c?
Click here to see answer by Alan3354(69443)

Question 458282: You want to cut down a tree that is 85 ft from your house, which must fall toward your house. You need to find out how tall the tree is. You start at some distance from the tree and use your handy dandy sextant to determine that the angle of elevation from the ground to the top of the tree is 63.435 degrees. You move 10 feet closer and find the angle has increased to 68.199 degrees. So, how tall is the tree?
Click here to see answer by solver91311(24713)

Question 458299: You want to cut down a tree that is 85 ft from your house, which must fall toward your house. You need to find out how tall the tree is. You start at some distance from the tree and use your handy dandy sextant to determine that the angle of elevation from the ground to the top of the tree is 63.435 degrees. You move 10 feet closer and find the angle has increased to 68.199 degrees. So, how tall is the tree?
I got 100 is that what you got?
Click here to see answer by solver91311(24713)

Question 458292: The count in a bacteria culture was 400 after 10 min and 1500 after 35 min what was the initial size of the culture?
find doubbling period?
find population after 90 min?
when will the population reach 12000?
Click here to see answer by robertb(5830)

Question 458308: In triangle ACB
a=230 ft
b=110 ft
angle C=34 degrees
can you help me find side c?
I got 152 is that what you got?
Click here to see answer by stanbon(75887)

Question 458026: When ax^3-2x^2+3x-5 is divided by 2x-1, the remainder is -8
Find a.
Click here to see answer by Edwin McCravy(20054)

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