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

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Tutors Answer Your Questions about Evaluation Word Problems (FREE)


Question 241354: A 90-in pipe is cut into two pieces.One piece is 20 in more than tne other.Find the length of each piece.ok word problems are hard for me.But my answer for was 20 and 70.I wasn't sure if that was right.
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Question 241264: Erin and Susan both took their dogs for a walk.Together they walked 15 miles.If Erin walked 3 miles lees than susan,how far did susan walk with her dog? Ok my answer was 12 but i wasn't sure if it was right
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Question 241223: Alisha is making punch for a graduation party.The recipe requires twice as much orange juice as cranberry juice and 8 times as much ginger ale as cranberry juice.If she plans to make 165oz of punch,how much orange juice does she need? ok word problems are really hard for me,i just dont understand them at all, i have trouble on how to write them out find the answer.
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Question 241223: Alisha is making punch for a graduation party.The recipe requires twice as much orange juice as cranberry juice and 8 times as much ginger ale as cranberry juice.If she plans to make 165oz of punch,how much orange juice does she need? ok word problems are really hard for me,i just dont understand them at all, i have trouble on how to write them out find the answer.
Click here to see answer by College Student(210) About Me 

Question 240691: Jane went fishing and caught a whopper of a fish! The head of her fish was ten inches long. The length of the fish's tail was equal to the length of the head plus half the length of the body. The body was as long as the head and tail together. What is the total length of her fish?





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Question 239909: During the summer heat, a 10-mi bridge expands 10ft in length. Assuming the bulge occurs straight up the middle, how high is the bulge? (exact height of the bulge using radicals as needed. Do not simplify the radical and the height of the bulge, type an integer or a decimal. Round to the nearest thousandth)
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Question 239504: HOW DO YOU SOLVE THIS EQUATION 5(32 – 4[8 +(23 – 18 /2 *3)]
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Question 239218: What is 2,745 rounded to the nearest foot ?
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Question 238157: The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: M(x)=19x-x^2. What rainfall produces the maximum number of mosquitoes?
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Question 238088: I am having trouble with this problem. I know it has to do with factoring and setting the answer to zero.
.wyla has a 26-ft ladder leaning against her house. If the bottom of the ladder is 10 ft. from the base of the house, how high does the ladder reach?

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Question 237385: I'm working with Formulas and World Problems in Algebra
The problem is
The original temperature of gas was 33 degrees K. Its present pressure is 6.8mm and its present temperature is 27degrees K. What was the original pressure of the gas?
They gave us: P1/T1 = P2/T2
So that would work out to P1 x T1/T1 = P2 x T1/T2
which becomes P1 = P2 x T1/T2
which becomes 6.8mm x 33 degreesK/27 degreesK
It's a basic algebra problem that I've forgotten the process for can you please help?

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Question 235783: From start to finish, Ellen took 15 2/3 days to write a research paper for her literature class. This was 9/10 the time it took Rebecca to write her paper. How long did it take Rebecca to write her research paper?
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Question 234375: the attendance at a school concert was 578. admission cost $2.00 for adults and $1.50 for children. the receipts for the concert were $985.00. how many adults and how many children attended the concert?
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Question 234373: on a table there are 20 coins, some quarters and dimes. their value is $3.05. how many of each coin are there?
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Question 234377: A jar of quarters and dimes contains $15.25. their are 103 coins in all. how many of each are their?
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Question 234379: the sum of the digits of a two-digit number is 14. if the number represented by reversing the digits is subtracted from the origional number, the result is 18. what is the origional number?
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Question 233937: Consecutive Integers-Find the three consecutive integers whose sum is 84. I know the formula is n+(n+1)+(n+2)=84 and the answer should be 27,28,29 but I don't know how to show it.
Please help!

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Question 232233: According to the U.S. Census Bureau, the two most popular female names in the United States are Mary and Patricia. Combined, these two names account for 3.7% of all female first names. The difference between the percentage of women named Mary and the percentage of women named Patricia are 1.5%. What percentage of all female first anmes in the United States are Mary and what percentage are Patricia?
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Question 231710: tickets for a school playsell for $8for floor seatsand $6 for balcony seats.For the performance 72 tickets are sold,bringing in $516.how many of each tickets are sold?
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Question 230683: If four is added to twice a number and the sum is multiplied by three, the result is the same as if the number is multiplied by two and four is added to the product. What is the number?
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Question 230707: The surface area of a cylinder with height, h, and base radius, r, is given by
A = 2 rh + 2 r2. Using 3.14 for , find the surface area of a cylinder with radius of 4 cm and a height of 20 cm.

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Question 230709: I would really appreciate any help with this problem. Photo reprints cost $0.52 each at a local photo shop. Through the mail, they cost $0.44 each plus $1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order?
Note: The question is asking for > not =>

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Question 230709: I would really appreciate any help with this problem. Photo reprints cost $0.52 each at a local photo shop. Through the mail, they cost $0.44 each plus $1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order?
Note: The question is asking for > not =>

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Question 230510: The sum of two numbers is 18. The difference between four times the smaller number and seven is
equal to the sum of two times the larger number and five. Find the two numbers.

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Question 230206: A football is kicked vertically upward from a height of 4 feet with an initial speed of 75 ft per second. What is the height of the ball 2 seconds after it was kicked from the ground.
H=4+75t-16t^2

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Question 229672: twice the difference of the number and 8 is equal to three times the sum of the number and 3. find the number.
2(x-8)=3x+3
2x-16=3x+3
2x-16-2=3x+3-2
2x+14=3x+1
16/2=4/2
8/2=4
x=4

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Question 228351: The sum of 2 numbers is 20. Twice one number is 4 more than 4 times the other. Find the numbers.
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Question 227778: The perimeter of a rectangle is 106 inches. The length exceeds the width by 45 inches. Find the length and the width.
The length is ____ inches.
(Type an integer or a decimal)

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Question 226571: Mary has 150 nickles and dimes. She has 70 more nickles than dimes. How many of each does Mary have?
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Question 226264: Each girl in the Smith family has the same number of brothers as she has sisters. Each boy in the Smith family has twice as many sisters as he has brothers. How many girls and boys are there in the Smith family?
I've tried giving a general equation for each (boys and girls), but without a total, I am a little stumped. For example, my initial thoughts on putting the two statements into variables, etc results in:
b = 2b + g (first statement)
g = b + g (second statement)
But I don't think that's the right way to start. Any suggestions?

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Question 225598: One number exceeds another number by 32. The sum of the numbers is 82. What are the numbers?
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Question 219816: Need Help Please
There are 5 tennis players in a tournament. Of each tennis player plays every other player once, how many games will be played?

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Question 219816: Need Help Please
There are 5 tennis players in a tournament. Of each tennis player plays every other player once, how many games will be played?

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Question 224496: Jasmine is helping her father plant trees to create a border around the back yard. Jasmine plants a tree every 25 minutes, and her father plants a tree every 15 minutes. If they started together, howlong before they would finish planting a tree at the same time?
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Question 223634: Have 7 DVDs and CDs, cost of DVD is $14.95, cost of CD is $16.88, total for 7 items is $114.30. How many CDs were bought and how many DVDs were bought?
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Question 223150: Taisha uses the elliptical cross-trainer at the gym. Her general goal is to burn 280 Calories per workout, but she varies by as much as 25 Calories from this amount on any given day. Write and solve an equation to find the maximum and minimum number of Calories Taisha burns on the cross-trainer.
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Question 222439: The difference between two numbers is twelve. Three times the smaller number is four less than twice the larger number. Find the smaller number.
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Question 221299: Find all values of the missing digit that make the statement true. Show or explain why.
214,21_ is divisible by 11.

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Question 220990: The sum of two numbers is 56. The larger exceeds twice the smaller by 2. Find the numbers.
I already tried x+2+2y = 56 with the substitution of x= 56-y

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Question 220990: The sum of two numbers is 56. The larger exceeds twice the smaller by 2. Find the numbers.
I already tried x+2+2y = 56 with the substitution of x= 56-y

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Question 219046: I cant make the equation. The perimeter of an isosceles triangle is 36 cm, and the area is 50 cm squared. The length of the base is 3 cm less than the length of a leg. Find the length of each side.
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Question 218440: 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?
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Question 217804: The attendance at a baseball game was 400 people. Student tickets cost $2 and adult tickets cost $3. Total Ticket sales were $1050. How many tickets of each type were sold?
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Question 216258: Traveling upstream on the Mississippi River, a barge travels 56 miles in 7 hours. Downstream, it travels the same distance in 4 hours. Find the rate of the barge in still water and the rate of the current.
I am totally lost on how to do you. Would you please help me?

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Question 216266: The total value or the $5 bills and $10 bills in a cash box is $410. There are eight more $10 bills than $5 bills. How many of each are there?
Everything I tried, failed. Please help me!

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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