Questions on Algebra: Numeric Fractions answered by real tutors!

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Question 356910: i have two questions for you
whats the lowest common denominator of
3/4 and 5/8
also,
3/x^3y and 7/xy^4
Click here to see answer by Fombitz(32388)

Question 357284: (a+b)-(a-b)
Click here to see answer by edjones(8007)

Question 357377: I can't remember how to solve this. I'm a 5th grader and we just learned this can you help me please....
n/9 x 3/4 = 5/12
Click here to see answer by Earlsdon(6294)

Question 357490: what is 11/15 + 7/10 - 2/5 in lowest terms
Click here to see answer by jim_thompson5910(35256)

Question 357494: arrange in ascending order 50.7, -6.2, -12.6, 7.15, -66.2, 2.33, -0.8 and 1.9
Click here to see answer by jim_thompson5910(35256)

Question 357493: what is 6 2/9 + 1 3/4 - 2 5/6 in lowest terms
Click here to see answer by rfer(16322)

Question 357700: aron watch 4.8 hr.of T.V what percent of hs day is spent watching T.V
Click here to see answer by rfer(16322)

Question 357701: If you read 15 minutes per day every day and end up reading 12 books of 200 pages each in one year, what is your reading rate in pages per minute?
Click here to see answer by nerdybill(7384)

Question 358503: what is 5/2*-4+4 simplified in a fraction?
Click here to see answer by Fombitz(32388)

Question 358457: how to solve 1/2 + (2/3 + 3/4)-(4/3 x 5/6)

Click here to see answer by Fombitz(32388)

Question 358537: Was is the percentage of 1/200
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Question 358539: Factor x2 21x 100
Click here to see answer by Alan3354(69443)

Question 358774: what is 16-5+4 divided (9-8) = n
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Question 358670: Gadget Manfufacturing had stock that sold at 33 3/8. After takover bid, the stock rose 8 3/4 points. What was the new price?

Click here to see answer by Fombitz(32388)

Question 358677: Gadget Manfufacturing had stock that sold at 33 3/8. After takover bid, the stock rose 8 3/4 points. What was the new price?

Click here to see answer by Fombitz(32388)

Question 359413: Six flags amusement park has found that three fifths of its customers ride the colossus roller coaster. of these, one fourth ride it again. what fraction of the customers ride the roller coaster twice?
Click here to see answer by robertb(5830)

Question 359437: devon, michael and trisha ate a pizza that had been cut into 8 equal slices. Devon ate 1/4 of the pizza. Trisha ate 3/8 of the pizza. If there was no pizza left over, how much of the pizza did Michael eat?
Click here to see answer by mananth(16946)

Question 359638: what is prime numbers
Click here to see answer by Alan3354(69443)

Question 359632: What is the first step in solving 8n(4+5n)3<24
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Question 359659: how do I solve this,
6(-10+3)
_________
2(-15)-9 (-3)
Click here to see answer by Fombitz(32388)

Question 359731: Please Help Me!!!
The Length of a rectangle is 5in more than the width. if the perimeter is 70in, what is the width?
Please could someone kindly help me
Thanks
Click here to see answer by rfer(16322)

Question 359695: please find the rate and write answer with correct units 2,000,000/4years
Click here to see answer by Fombitz(32388)

Question 359977: maggie found out that if she walks really fast to school, she can cover 2 1/2 miles in 3/4 of an hour. How fast is she walking in miles per hour?
Click here to see answer by stanbon(75887)

Question 360424: 3/4 - 1/7
Click here to see answer by ewatrrr(24785)

Question 360543: 47=2d+5
Click here to see answer by JBarnum(2146)

Question 360485: 2^(x)-2^(x-1)=32 x=? answ is x=6 but i want to know the solution?
Click here to see answer by ankor@dixie-net.com(22740)

Question 360422: 5/6 - 3/7
Click here to see answer by robertb(5830)

Question 360669: Sam has to eat one and one half pies in two minutes at the end of one minute he ate seven-eighths of a pie. How much pie does Sam have left to eat?

Click here to see answer by mananth(16946)

Question 360903: if fred ate 3 slices of pizza from a pizza that had 8 equal silces, what is the percentage of the pizza left?
Click here to see answer by ewatrrr(24785)

Question 361204: what is o.29 of 45?
Click here to see answer by mananth(16946)

Question 361250: solve for n;12-11=25
Click here to see answer by Alan3354(69443)

Question 361250: solve for n;12-11=25
Click here to see answer by edjones(8007)

Question 361490: 3 1/8 * 2 4/5
Click here to see answer by checkley77(12844)

Question 361474: Multiply.
(x^2 − 2x + 5)(5x − 6)

Click here to see answer by rfer(16322)

Question 361662: 3 3/4 - 1/4
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Question 361976: Simplify the following x^-5 / x^-2
Click here to see answer by ewatrrr(24785)

Question 361976: Simplify the following x^-5 / x^-2
Click here to see answer by JBarnum(2146)

Question 362007: 1/2 divide (2/3 divide 3/4) - (4/5 x 5/6) =
i tried
1/2 divide (2/3 x 4/3) - (4/5 x 5/6)
1/2 divide 8/9 - 2/3
1/2 divide 6/6
so my answer was 1/2 but my answers don't match. my answers have to be:
A. 1/16

B. 17/27

C. 13/18

D. 7/9

E. 5/6
im stuck! i dont know what to do please help!
Click here to see answer by rfer(16322)

Question 362124: Please could someone kindly help me???
This is my question:
The perimeter of a rectangle is 140in. The length is 28in. greater than the width. Find the width of the rectangle.
This is how I'm doing it could you tell me if its right???
2(x+28)=140
2x+56=140
2x=140-56
2x=84
2 2
x=42
42 Divide 2
=21 width
Please help:)
Thank you

Click here to see answer by checkley77(12844)

Question 362385: x over 3+7=10??
how do you solve this step by step i don't understand this?
Click here to see answer by Fombitz(32388)

Question 362386: and this other one i don't get is::

3x+7=2x-7?
how do you do this step by step so i'll be prepared for the test tomorrow?
Click here to see answer by mananth(16946)

Question 362345: 0.3t=0.8(t-5)
Click here to see answer by mananth(16946)

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