Questions on Word Problems: Age answered by real tutors!

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Question 327807: Kathy and Juanita had a light afternoon snack. Kathy enjoyed 3 chips and 2 pretzels, for a total of 77 calories. Juanita enjoyed 2 chips and 15 pretzels, for a total of 195 calories. How many calories are each pretzel?
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Question 327955: solve : cos(3x)=-1
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Question 328034: Ayie is 8 yrs. old than Icas. The sum of their age is 32. How old is each now?
Click here to see answer by rapaljer(4671)

Question 328034: Ayie is 8 yrs. old than Icas. The sum of their age is 32. How old is each now?
Click here to see answer by meay7c(10)

Question 328468: Missing ages. Molly�s age is twice Anita�s. If the sum of
the squares of their ages is 80, then what are their ages?
Click here to see answer by nyc_function(2741)

Question 328628: Annilee's present age is two-thirds of Jessie's present age. In 12 years the sum of their ages will be 54 years. find their ages.
Click here to see answer by Earlsdon(6294)

Question 328722: aljohn is ten years older than eden. four years hence he will be twice the age of eden. how old the both of them now?
Click here to see answer by stanbon(75887)

Question 328720: aljohn is ten years older than eden. four years hence he will be twice the age of eden. how old are both of them now?
Click here to see answer by stanbon(75887)

Question 328837: Please help....I am so lost
In 1992, the life expectancy of males in a certain country was 66.8 years. In 1996, it was 70.5 years. Let E represent the life expectancy in year t and let t represent the numbers of years since 1992.

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

Question 328863: please help I am so lost

In 1992, the life expectancy of males in a certain country was 66.8 years. In 1996, it was 70.5 years. Let E represent the life expectancy in year t and let t represent the number of years since 1992.
The linear function E(t) that fits the data is
Use the function to predict the life expectancy of males in 2005
Click here to see answer by ankor@dixie-net.com(22740)

Question 328814: Susie is 7 years old. She is 1 year older than one-eighth the age of her father. How old is Susie's father?
Click here to see answer by xoapplexx(2)

Question 329067: One half of Ana's age four years from now plus one third of her age three years ago is twenty-one. how old is she now?
Click here to see answer by JBarnum(2146)

Question 329081: A woman is 10 years older than her brother. Next year she will be twice as old as him? How old are they now? How do I write this as an equation?
Click here to see answer by mananth(16946)

Question 329321: jason is y years old. his sister jessica is twice as old as jason is. Their added ages total 30

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

Question 329408: In 7 years, Erin will be twice as old as she was 8 years ago. how old is Erin now?
Click here to see answer by stanbon(75887)

Question 329408: In 7 years, Erin will be twice as old as she was 8 years ago. how old is Erin now?
Click here to see answer by Kassie14(1)

Question 329408: In 7 years, Erin will be twice as old as she was 8 years ago. how old is Erin now?
Click here to see answer by Fombitz(32388)

Question 329582: if x-y=20 and x is 30 find y
Click here to see answer by mananth(16946)

Question 330093: when maria was born her mother was 24 years old at present maria's age is 20%of her mother's age how old is maria now?
Click here to see answer by mananth(16946)

Question 330492: half of henry's age added to one-third of daisy's age is 11 years. Six years from now, the sum of their ages will be 40 years. how old is each?
Click here to see answer by Jk22(389)

Question 330793: A town has a population growth rate of 10% per year. The population in 1990 was 2000. What was the population in
Click here to see answer by aseem(9)

Question 330804: The digits of a three-digit number add up to 18. If the ten�s digit is twice the hundred�s digit and the hundred�s digit is 1/3 the unit�s digit, what is the number? ?

Click here to see answer by mananth(16946)

Question 330819: 3 years ago, Primo is ten times as old as Terzo. After 15 years, Primo is only five times as ols as Terzo. What are their present ages?
Click here to see answer by ankor@dixie-net.com(22740)

Question 331128: The questions is: "If Leah is 6 years older than Sue, and John is 5 years older than Leah, and their total age is 41. Then how old is Sue?"
I have tried averaging their ages and I attempted to set up an equation, but I know it isn't correct. I know the answer is 8 from my answer key, but I can not figure out how to get that. Can you please work the problem for me step by step so I can see how to get the answer and use it as an example towards other problems I am working.
As soon as possible would be awesome b/c my test is tomorrow. I just found this website or I wouldn't have waited so long. Thanks so Much!!!!
Click here to see answer by Ruli(21)

Question 331147: Fred is 3 years older than his sister mary. In 7 years she will be six-sevenths of his age. how old are they?
Click here to see answer by mananth(16946)

Question 331283: Eddie is 7 years older than Brian. If Brian is x years old, then how old was Eddie 11 years ago?
(a) x - 18 (b) x - 4 (c) x - 7 (d) 7x - 11 (e) x + 18
Click here to see answer by ankor@dixie-net.com(22740)

Question 331473:
Click here to see answer by JBarnum(2146)

Question 331545: find their present age
x+y=42-jed
y+z=59-Johnny
x+z=53 joseph
Click here to see answer by JBarnum(2146)

Question 331591: como solucionar este problema...
Lety y Luis son gemelos. si sumando la sexta parte de edad de Lety, con
la octava parte de la edad de Luis da un total de 14 a;os.
Que edad tienen?
Click here to see answer by Edwin McCravy(20054)

Question 331596: Can someone please help me work through this?
The number of insects attracted to a bright light is currently 5. If the number is expected to quadruple every 9 minutes, how long will it take for the number to reach 700?
____ minutes
Click here to see answer by galactus(183)

Question 331606: The polynomial 0.041h-0.081a-2.69 cab be used to estimate the lung capacity, in liters, of a female with height h, in centimeters, and age a, in years. Find the lung capacity of a 30-year old woman who is 190 centimeters tall.
Click here to see answer by solver91311(24713)

Question 331693: Dear Sir/Madam; Pls. kindly see the problem below:
Question: In three years, Janice will be three times as old as her daughter. Six years ago, her age was her daughter's age squared. How old is Janice?
I wrote out an Algebraic expression for this problem as follows: denoting the daughter's age by x to be able to solve for her daughter's age first, so Janice's age in three years would be: 3x+3, and her age six years ago would have been x2-6; x2-6+3x+3=0, which when simplified will look like this; x2+3x-3=0. But I do not think I am right. Could you please help. Thank you.
Click here to see answer by ankor@dixie-net.com(22740)

Question 332197: six years ago, rosa was four times old as her daughter. Ten years from now, she will be only twice as old. How old are they now???
Click here to see answer by mananth(16946)

Question 332194: rendell father is 9times as old as he is.one year before he was 2years more that eleven times as old as rendell.find rendell present age.
Click here to see answer by mananth(16946)

Question 332195: If 3 times Jane's age, in years, is equal to 8 times Beth's age, in years, and the difference between their ages is 15 years, how old are Jane and Beth?
Click here to see answer by edjones(8007)

Question 332193: a man is 2years more than thrice his son age,if the sum of their age is 46 how old are they?
Click here to see answer by ankor@dixie-net.com(22740)

Question 332488: I need an equation that models how old in years each of you will be, when your ages add up to 150 years old. The ages are 42, 72, and 15
I cant seem to get make an equation. However, I think the answer is 49, 79, 22... Cand you help me get an equation?
Click here to see answer by mananth(16946)

Question 332507: i am three times as old as my son. 5 years later,i shall be two and a half times as old as my son. how old am i and how old is my son
Click here to see answer by AAfter.Com(18)

Question 332489: I need an equation which models how old, in years, you will be when you are 3 times as old as the younger person. Ages: 42 and 15
Thanks for your help
Click here to see answer by ankor@dixie-net.com(22740)

Question 332797: John, twelve years old, is three times as old as his brother. How old will John be when he is twice as old as his brother?
Click here to see answer by jrfrunner(365)

Question 332932: A girls mother is 28 years older than she. In 4 years her mother will be 3 times her age. How old is the mother now?
I tried:
d = daughter
m = mother
d = m - 28
m = d + 28
d + 4 = 1/3(m + 4)
Click here to see answer by scott8148(6628)

Question 332952: In years, write an equation which models how old, in years, I will be when I am 3 times the age of the younger. Younger = 4 & I am 54.
Click here to see answer by scott8148(6628)

Question 333303: My age today is three times what it will be three years from now, minus three times what my age was three years ago. How old am I? i want explianation
Click here to see answer by mananth(16946)

Question 333422: For the problem I have to solve it says I have to write a system of equations involving two equations in two variables then to solve the system. Here is the problem: Jean is twice as old as Michael. The sum of their ages 3 years ago was 45 years. Find their ages now.
I tried to solve it without the sytem of equations and i got the answer of jean:32 and Michael:16 but then I realized I would get the question wrong if I didn't show the system of equations. Please help me.
Click here to see answer by ankor@dixie-net.com(22740)

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, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180