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

Tutors Answer Your Questions about Evaluation Word Problems (FREE)

Question 254583: how do you find out the two equation of the problem and then use them in the equation

Click here to see answer by JimboP1977(308)

Question 254811: The length of a rectangular is 3 centimeters more than three times the width. if the perimeter of the rectangular is 70 centimeters, what is the lenght of the rectangle?
Click here to see answer by palanisamy(496)

Question 255963: Hello, I am having difficulty with this problem. I attempted to create a rectangle and solve it but my answer still turns out wrong, could you please help me.
If the coordinates of a parallelogram are Q(3,-2),R(7,-2), S(9,3) T(5,3)then
what is the area of QRST?
Click here to see answer by Edwin McCravy(8914)

Question 256538: Can you give me a example of a substitution equation?
Click here to see answer by drk(1908)

Question 257049: A 17 foot rope is to be cut into two pieces with the result that the longer piece is 1 foot more than 3 times the shorter piece. How long should each piece of rope be?
Click here to see answer by ankor@dixie-net.com(15661)

Question 258706: MS. SMITH CAN EITHER BUY 6 APPLES AND 2 ORANGES FOR $1.50 OR 5 APPLES AND 4 ORANGES FOR $1.60. How much does one apple cost?
Click here to see answer by Fombitz(13828)

Question 258861: jack is 8 years older than jill. 7 years from now the sum of their ages will be 64. how old is jill now?
Click here to see answer by Stitch(352)

Question 258859: the area of a circular ring is 90. if the radius of the outer circle forming the ring is 7, what is the radius of the inner circle of the ring? (assume the circles forming the ring have the same center.)
Click here to see answer by Stitch(352)

Question 259065: Jodie bicycles 5km/h faster than Carlos. In the same time it takes Carlos to bicycle 30km, Jodie can bicycle 45km. How fast does each bicyclist travel?
Help, how do I solve this kind of problem?
Click here to see answer by richwmiller(9143)

Question 259068: The OfficeJet Printer can copy Maria's document in 8 minutes. The LaserJet printer can copy the same document in 12 minutes. If the two machines work together, how long would it take to copy the document?
Click here to see answer by ankor@dixie-net.com(15661)

Question 259736: The cost of a telephone call using long-distance carrier A is $1.00 for any time up to and including 20 minutes and $0.07 per minute thereafter. The cost using long-distance carrier B is $0.06 per minute for any amount of time. For a call that lasts t minutes, the cost using carrier A is the same as the cost using carrier B. If t is a positive integer greater than 20, what is the value of t?
Click here to see answer by richwmiller(9143)

Question 259968: If r = s^2t^2, r is not equal to zero, and the values of s and t are doubled, then how many times is the value of r increased?
Click here to see answer by rfadrogane(214)

Question 261060: Find sqrt( 1-a^2)x b when a = 0.28 and b = 10
I tried sqrt( 1 - (0.28)^2) x 10 = 9.6 is that right?
Click here to see answer by solver91311(16897)

Question 261060: Find sqrt( 1-a^2)x b when a = 0.28 and b = 10
I tried sqrt( 1 - (0.28)^2) x 10 = 9.6 is that right?
Click here to see answer by rfer(12676)

Question 261287: There are 55.8 million people in the united states without health insurance in 2005. This was 17.2 million less than twice the number of uninsured in 1987. How many people were without health insurance in 1987?
Click here to see answer by stanbon(57410)

Question 261610: 3x-2y=9
-7x+y=12
Click here to see answer by stanbon(57410)

Question 261870: You start a t-shirt company using 2000 dollars for the machines. Each shirt costs 4 dollars. After you use the machines to put a picture on them you sell it for 22 dollars. How many shirts do you need to sell to break even?
Click here to see answer by solver91311(16897)

Question 262528: An irport shuttle company owns sedans that have a capacity of 3 passengers and vans taht have a capacity of 8 passengers. Thyeir 12 vehicles have a combined capacity of 61 passengers. How many vans does the company own?
Click here to see answer by richwmiller(9143)

Question 262626: Steve has a solution that is 25% antifreeze and a solution that is 65% antifreeze. How much of each should he use to obtain 12 liters of solution that is 50% antifreeze?
Click here to see answer by mananth(12270)

Question 262816: What simple interest rate will Susan need to secure to make $2,500 in interest on a $10,000 principal over 5 years?
Click here to see answer by mikej24(4)

Question 262945: Solve for x:
2/9 = 2/3 + 5/6 x
Click here to see answer by rfer(12676)

Question 262944: Solve for x:
4 (x+2)+1= 7x - 3(x-2)
Click here to see answer by checkley77(12569)

Question 263440: The sum of two numbers is 39. The greater number is 5 less than 3 times the smaller number. What are the two numbers?
Click here to see answer by drk(1908)

Question 263438: Given G(t) = 4 − 7t, write G( 5 + h) − G(5) in simplest form.
Click here to see answer by drk(1908)

Question 263447: What values are excluded from the domain of the function? (Separate multiple answers with commas. Enter NONE if there are none.)
g(x) = -2/(x + 1)
Click here to see answer by drk(1908)

Question 264073: Tickets for a school play sell for $8 for floor seats and $6 for balcony seats. 72 tickets were sold, bringing in $516. How many of each ticket are sold?
Click here to see answer by checkley77(12569)

Question 264285: how do you turn a word problem to a algebraic form
Click here to see answer by Alan3354(30993)

Question 264504: please help!!! four times a number added to 3 is divided by 8. the result is 7/4 find the number. i set the problem up like this 4x+3/8=7/4 but i cant remember how to work the problem.
Click here to see answer by Earlsdon(6287)

Question 264653: How to evaluate (3-5)^2 -|-2-(4)|
Click here to see answer by palanisamy(496)

Question 264699: Hello, please help me with this word problem I have no idea how to do it or where to get started.
The directions say to solve using two variables. All I know is that you have to define the variables and show work.
The word problem:
Matrimburg had 8,000 residents. Of them, 1/6 of the females married 1/4 of the males. If no person in Matrimburg married more than once, how many of the town's residents were female?
please help, thanks for your time!
Click here to see answer by solver91311(16897)

Question 265508: One integer is 6 less than another integer. The product of the lesser integer and -7 is 42 more than the greater integer. What are the integers?
Click here to see answer by ankor@dixie-net.com(15661)

Question 265608: four times a number added to 3 is divided by 8 the result is 7/4. find the number.
Click here to see answer by checkley77(12569)

Question 254193: In 1992, the life expectancy of males in a certain country was 68.3 years. In 1997, it was 71.6 years. Let E represent the life expectancy in years. T and let T reprencent the number of years since 1992. the linear funtion E(t) that fits the data is E(t)=___t +____ Use the function to predict the life expectancy of males in 2003 E(11)=___.
Click here to see answer by mtidbit(1)

Question 267511: A=P+PRT for T
Click here to see answer by drk(1908)

Question 267510: p=1/3mt for m
Click here to see answer by drk(1908)

Question 267509: Solve Px+Qy=R for x
Click here to see answer by drk(1908)

Question 267753: A woodworking shop makes tables and chairs. To make a chair, 8 min is needed on the lathe and 8 min is needed on the sander. To make a table, 8 min is needed on the lathe and 20 min on the sander. The lathe operator works 6h/day and the sander operator works 7h/day. How many chairs and tables can they make in one day working at this capacity?
Click here to see answer by stanbon(57410)

Question 268221: Marian's younger sister's age is 2 years greater than 1/2 Marian's age. If Marian is 12 years old, how old is her sister? Solve each word problem by setting up an equation.
Click here to see answer by ankor@dixie-net.com(15661)

Question 268763: In a stationery store, pencils have one price and pens have another price. Two pencils and three pens cost 78 cents. But three pencils and two pens cost 72 cents. How much does one pencil cost?

Click here to see answer by mananth(12270)

Question 268974: bOB HAS 60 COINS CONSISTING OF QUARTERS AND DIMES.tHE COINS COMBINED VALUE IS $9.45. FIND OUT HOW ARE QUATERS AND MANY DIMES.
Click here to see answer by drk(1908)

Question 268974: bOB HAS 60 COINS CONSISTING OF QUARTERS AND DIMES.tHE COINS COMBINED VALUE IS $9.45. FIND OUT HOW ARE QUATERS AND MANY DIMES.
Click here to see answer by JBarnum(2044)

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