Questions on Word Problems: Linear Equations And Systems Word Problems answered by real tutors!

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Question 13241: Chelsea sold 2 cars for $6,000 each, making 20% on car#1 & losing 20% on car#2. Did he make money, lose money or break even?
Click here to see answer by bam878s(77)

Question 13237: {1,2},{4,3} Find the slope of the line passing through each pair of points
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Question 13287: tennis rackets can be packaged in cartons holding 2 rackets each or in cartons holding 3 reackets each. Yesterday's packing slip showed that 38 cartons were used to pack a total of 100 rackets. How many cartons of each size were used yesterday?
Click here to see answer by gsmani_iyer(180)

Question 13334: You borrowed $27000 for 5 years. You promised to pay back the principal and the interest in one lump sum. After 5 years you paid the lump sum of $54000. What was the annual rate in percent? Here the interest is assumed to be calculated by the rule of simple interest, that is, if you borrow $A for n years with the interest rate r, your total interest will be $nrA, the product of n, r and A.
Click here to see answer by akmb1215(68)

Question 13332: Anne has some number of cookies which she wants to distribute to kids in the room. If she gives each kid 9 cookies, 1 cookies will be left in her hand . If she tries to give each kid 10 cookies, she will need more 13 cookies than she has now . How many kids are there in the room?
Click here to see answer by akmb1215(68)

Question 13456: The word problem is this : When five times a number x is subtracted form the square of the same number, the answer is 14. Find x.

I did it like this but I'm not sure if its right.
xSquared- 5x=14
Is that how its supposed to me lat me know if I'm right or wrong thanks alot for your help.
Click here to see answer by askmemath(368)

Question 13778: Hi Tutors:
Word problems are powerful they always make me humble. Here goes:
A chemist has a solution that is 18%alcohol and one that is 50% alcohol. How many liters of each should be mixed together to make 80 liters of a 30% solution? Thank you
SAN ANTONIO
Click here to see answer by Earlsdon(6287)

Question 13784: here's my problem: tickets for the homecoming dance cost $20 for a single ticket or $35 for a couple. Ticket sales totaled $2280, and 128 people attended. How many tickets of each type were sold?
Here's what I've done so far:
x+y=128 where x=# of single tickets and y=# of couple tickets
20x+35y=2280 adding value to x and y equalling total dollars
have I set up the problem correctly? I wasn't sure about the 128 in the first equation
Click here to see answer by glabow(165)

Question 13556: Here is a problem I can't figure out for the lifeof me. Museum charges $10 for regular admission, $7 for members, and $5 for students. Saturday, 750 tickets were sold for $5400. If 20 more student tickets than regular tickets were sold, how many of each type of ticket were sold?
This is what I was trying to do:
10x+7y+5s+(x+20)=750
I am just not sure if you would have to figure out, oh never mind, I am not understanding what to do. Please help me. Thank you!!!!!!!! :(
Click here to see answer by LilSkittleMd(119)

Question 13934:
Click here to see answer by kunal_122(19)

Question 14057: determine the equation of the line that :
has a slope -1/2 and y intercept 7

Click here to see answer by bam878s(77)

Question 14061: The sum of three numbers is 6. The
third number is the sum of the first
and second number. The first number
is one more than the third number.
Find the numbers.
Click here to see answer by rahman(247)

Question 14140: Hi Tutors:
Word prolems are a work in progress for me. Please show me how to work this one:
A business club split a $30,000 investment among three bond funds. The first one grew at 2%, the second at 3% and the third at 6%. The total earnings were $1,110. The earnings from the second fund were $150 more than those of the first. How much was invested in each fund?
Click here to see answer by longjonsilver(2297)

Question 14563: Mrs. Brook lacks 7 years from being 5 times as old as her son. Six years from now she will lack 3 years from being three times as old as her son is then. Find each of their ages.
Click here to see answer by Starz(4)

Question 14677: in a rectangle, the perimeter is 108 inches. The length of the rectangle is 12 inches more than twice the width. What is the length and width of the rectanle
Click here to see answer by Drpengui(15)

Question 14955: Jane earns $41 more a week than twice as much as Bill does. Together they earn $140. How much does each earn?
Click here to see answer by jb007mi6(53)

Question 15048: What are the length and width of a rectangle if the area is 13.5 square feet and the length of one side is .2 the measure of the perimeter?
Click here to see answer by venugopalramana(3286)

Question 15431: Is anyone available at this time, I need someone to help me on a Linear Equation.
Please Respond!
Click here to see answer by Alwayscheerful(414)

Question 15469: The measure of second triangle is 21 degrees more than measure of the first angle. The measure of the third angle is 15 degrees less the measure of the first angle. Find the measure of each angle of the triangle
Click here to see answer by pwac(253)

Question 15517: The sum of three times a number and 7 more than the number is the same as the difference between -11 and twice the number. What is the number?

Click here to see answer by Earlsdon(6287)

Question 15513: If the product of 5 and a number is increased by 4, the result is 19. What is the number?
Click here to see answer by pwac(253)

Question 15512: A piece of rope 60 meters long is cut into two pieces so that the longest piece is twice as shorter. How long are the two pieces?
Click here to see answer by pwac(253)

Question 15526: The length of a retangle is three times width . If the perimeter is 128 Find the length
Click here to see answer by venugopalramana(3286)

Question 15527: A cord is 189 feet long. It is to be cut into three pieces so that the second piece is twice as long as the first, and the third is twice as long as the second. Find the length of each piece
Click here to see answer by pwac(253)

Question 15528: The Kings won two less than three times as many games as they lost. They played 82 games. How many wins and losses did the team have?
Click here to see answer by venugopalramana(3286)

Question 15468: Find the area of a triangle with na altitude of 13 mters and a base of 25 meters What is the cost to construct such a traingle of sheet metal that costs $4.50
Click here to see answer by pwac(253)

Question 15536: The length of a rectangle is 2cm less than 7 times the width. The perimeter is 60cm. Find the width and length.

The second problem is:
The first side of a triangle is 8m shorter than the second side. The third side is 4times as long as the first side. The perimeter is 26m. Find the length of each side.

Thank you so much for your help. I am in desperate need with college algebra.

Click here to see answer by venugopalramana(3286)

Question 15680: Of 40 students in a class, 28 passed. What percentage of the students passed?

Click here to see answer by rapaljer(4667)

Question 15684: A long-distance phone call costs $0.70 for the first minute and $0.39 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $4.
Click here to see answer by rapaljer(4667)

Question 15682: Enrique puts 12% of his monthly paycheck in an IRA. If he invests $72 in his IRA, how much was his paycheck?
Click here to see answer by rapaljer(4667)

Question 15679: What interest will you pay on a $8100 loan for 1 year if the interest rate is 15%?

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Question 15683: A electronics store wants to order at least 3 times as many DVD players as VHS players. Write an inequality expressing this relationship.
Click here to see answer by rapaljer(4667)

Question 15678: A consultant traveled 3 hours to attend a meeting. The return trip took only 2 hours because the speed was 8 miles per hour faster. The total trip was 291 miles. What was the consultant's speed each way?
Click here to see answer by rapaljer(4667)

Question 15677: The length of a rectangular garden is 1 ft less than 2 times its width. If the perimeter of the garden is 46 ft, find the dimensions of the garden.
Click here to see answer by pwac(253)

Question 15662: The area of a square is numerically 3 less than the perimeter. Find the length of the side, if the side is greater than 1.
Click here to see answer by pwac(253)

Question 15661: The length of a rectangle is three inches more than the width. The area of the rectangle is 270 inches. Find the width of the rectangle.
Click here to see answer by pwac(253)

Question 15676: Tickets for a play at the community theater cost $12 for an adult and $4 for a child. If 130 tickets were sold and the total receipts were $840, how many of each type of ticket were sold?
Click here to see answer by vasu2qute(17)

Question 15799: i dont understand the word problems....... i have to define a variable and write an equation to model each situation.then solve....ok here is the problem...
Your chorus holds a car wash. They have $25.00 for making change. At the end of the car wash, they have $453.50. how much money did they make? please help me!!!
Click here to see answer by elima(1433)

Question 15814: ok i have to define a variable and write an equation to model the situation.then solve...here is the problem:
ENTERTAINMENT: movie tickets for an adult and three children cost $20. An adults ticket costs $2 more than a child's ticket. find the cost of an adult's ticket.

Click here to see answer by elima(1433)

Question 15813: ok i have to define a variable and write an equation to model the situation.then solve...here is the problem:
TRUCK RENTAL:the rate to rent a certain truck is $55 per day and 20cents per mile. your family pays $80 to rent this truck for one day. how many miles did your family drive?

Click here to see answer by rapaljer(4667)

Question 15844: -15+7=

Click here to see answer by tjnw79(57)

Question 16031: My daughter is having a tough time understanding math and since I haven't done algebra in years.. I don't know how to help her. She has to solve this word problem using linear systems. Please help.
You and a friend go to a mexican restaurant. You order 2 tacos and 3 enchiladas, and your friend orders 3 tacos and 6 enchiladas. One bill is $8.00 and the other bill is $15.15. How much was each taco and each enchilada?
Click here to see answer by askmemath(368)

Question 16307: Sam has pennies, nickels, dimes and quarters in his wallet. The average value is 20 cents. He adds another quarter and now the average value is 21 cents. How many dimes are there?
Click here to see answer by AnlytcPhil(1277)

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