Questions on Algebra in Finance answered by real tutors!

Tutors Answer Your Questions about Finance (FREE)

Question 985608: marta got 60% off a pair of shoes. If the shoes cost $15.90 ( before sales tax), what was the original price of the shoes?
Click here to see answer by jim_thompson5910(35256)

Question 985873: Three consecutive whole numbers are such that 3 times the sum of the first two is 49 less than the third.. Find the three numbers.
Click here to see answer by vleith(2983)

Question 985941: A 300 ounce mixture is 12% acid.If 100 ounces of water evaporated,what percent of the new mixture is acid?
Please show me your work and please explIN !
Click here to see answer by macston(5194)

Question 986058: -3(1+6r)=14-r
Click here to see answer by macston(5194)

Question 986076: Raju sells a watch at 5% profit . Had he sold it for Rs. 24 more , he would have gained 11%. Find CP of the watch

Click here to see answer by macston(5194)

Question 985959: Write an equation for the line:
Locate the point where the line x + y= -5 and the line x- 2y =4 intersect. Write the equation of the line that goes through this point of intersection and the point (1/2, -2/5)
Click here to see answer by Alan3354(69443)

Question 986108: John wants to center a canvas which is 8 ft wide on his living room wall which is 17 ft wide. Where on the wall should John mark the location of nails if the canvas requires nails every 1/5 of its length excluding the edges?

Thank you!
Click here to see answer by solver91311(24713)

Question 986075: Mohan bought a certain number of notebooks for Rs. 600. He sold � of them at 5% loss. At what price should he sell the remaining note books so as to gain 10% on the whole.
Click here to see answer by srinivas.g(540)

Question 986222: F(1)=6,f(n)=f(n-1)-5
Click here to see answer by ikleyn(52781)

Question 986247: Order of Operations:
6 + 4�
----------
3� � 4

Click here to see answer by MathLover1(20849)

Question 986271: 3 + 2�
---------
5� (4)
Click here to see answer by MathLover1(20849)

Question 986274: 2^5 - 6 * 2
--------------
3^3 - 5 * 3 - 2
Click here to see answer by MathLover1(20849)

Question 986272: 4 ⋅ 6� - 4� ⋅ 6
------------------
4 ⋅ 6
Click here to see answer by mananth(16946)

Question 986273: 2 ⋅ 8� - 2� ⋅ 8
-----------------------
2 ⋅ 8
Click here to see answer by MathLover1(20849)

Question 986273: 2 ⋅ 8� - 2� ⋅ 8
-----------------------
2 ⋅ 8
Click here to see answer by ikleyn(52781)

Question 986244: Order of Operations:
390 � [5(7 + 6)]
Click here to see answer by farohw(175)

Question 986245: Order of Operations:
4[12 � (6 - 2)]�
Click here to see answer by farohw(175)

Question 986352: I won 2 more games than I Lost. If i played 24 games How Many did I win?
Click here to see answer by EdenWolf(517)

Question 986310: after an 6% increase your wages, you receive $.57 more per hour. About how much did you receive per hour before the increase in your wages?
I first set up the equation X= hourly wages before raise. .06X=.57+X but then I got really confused.
Click here to see answer by ankor@dixie-net.com(22740)

Question 986441: Tray smokes 1.5 packs of cigarettes per day, and pays about $7.50 per pack. His monthly spending on cigarettes is closest to.
a. $75
b. $340
c. $225
d. 750
e. Other (explain)

Click here to see answer by josgarithmetic(39617)

Question 986584: I'm stumped on a question concerning arithmetic and geometric recursive formulas. I am given four terms, and I'm asked to write the common ratio, and to find the tenth term.
The first four terms given are: 15000, 4500, 1350, 405, 121.5
Click here to see answer by ikleyn(52781)

Question 986502: One company manufactures high-end racing bicycles. The monthly fixed costs are $3520. The total cost to manufacture 29 bikes is $31360. Assume that total cost, C, is linearly related to the number of bicycles, x, that the company manufactures.
A) The cost function is?
B) The total cost to manufacture 27 bikes is $ ?
C) The cost to produce each additional bike is $ ?
Click here to see answer by ankor@dixie-net.com(22740)

Question 732867: Which of the following will make a confidence interval narrower and more precise?
A. Larger sample size and lower confidence level
B. Larger sample size and higher confidence level
C. Smaller sample size and lower confidence level
D. Smaller sample size and higher confidence level
Click here to see answer by chanteal84(1)

Question 986907: Evaluate limit as x goes to 0 of the quotient of tangent x and x.
1<--- my answer
0
�1
Does not exist
Click here to see answer by Fombitz(32388)

Question 986846: Veronica sold an old table at a loss of 20%. If she had sold the table for Rs. 40 more, she would have gained 5%. The selling price in the latter case was:

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

Question 986906: Evaluate limit as x goes to 0 of the quotient of the quantity x raised to the 4th power minus 1 and x minus 1.
1<--- my answer
0
zero over zero
Does not exist
Click here to see answer by solver91311(24713)

Question 986909: Find the limit of the function algebraically.
limit as x approaches two of quantity x squared minus four divided by quantity x minus two.
Answer choices:
1
4
2<--- my answer
Does not exist
Click here to see answer by solver91311(24713)

Question 986910: If limit as x approaches a of f of x equals four and limit as x approaches a of g of x equals three, then limit as x approaches a of the quantity three times f of x squared minus four times g of x equals ten.
True or False?
Click here to see answer by solver91311(24713)

Question 986908: Find limit as x approaches 3 for f of x equals the quantity 3x plus 1 for x less than or equal to 32 and f of x equals 2 times x squared for x greater than 3.
Answer choices:
10
18
Does not exist
10 or 18
Click here to see answer by solver91311(24713)

Question 987076: Create a 3-by-3 magic square using nine of the ten numbers 20, 21, 22, 23, 24, 25, 26, 27, 28, and 29. Explain your solution and reasoning. List the strategies you have used.
Click here to see answer by Edwin McCravy(20055)

Question 987125: Mrs Chopra is 5 time as old as her son now,In 12 years' time, Mrs Chopra will be 3 time as old as her son. What is Mrs Chopra's age now?
Click here to see answer by Cromlix(4381)

Question 987147: I need help with this problem too:
Find the values of x for which is zero
Click here to see answer by macston(5194)

Question 987148: I need help with this problem too:
Find the domain and range of y = 2 +

Click here to see answer by ikleyn(52781)

Question 987142: I need help with this problem:
Two pipes are used to fill a large tank. When used alone, pipes A and B take 4 hours and 6 hours, respectively, to fill the tank. How many hours would it take to fill the tank if the two pipes were used simultaneously.
Click here to see answer by ikleyn(52781)

Question 987179: A box is to be constructed from a sheet of cardboard that is 20 cm by 60 cm, by cutting out squares of length x by x from each corner and bending up the sides. What is the maximum volume this box could have?
Click here to see answer by Fombitz(32388)

Question 987149: one last problem:
Divide by
Click here to see answer by josgarithmetic(39617)

Question 987172: A woman is 3 times as old as her son.8 years ago the product of their age was 112.find their present age
Click here to see answer by Cromlix(4381)

Question 987217: How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $20 and on an SST ring is $50?
Click here to see answer by solver91311(24713)

Question 987334: Question 5 (Multiple Choice Worth 4 points)
What is the slope for the function y = 2x2 + 2 at the point x = 3?
12
3
20
The slope cannot be determined.
Click here to see answer by Cromlix(4381)

Question 987331: Give an example and explain why a polynomial can have fewer x-intercepts than its number of roots.
Click here to see answer by macston(5194)

Question 987333: What is the instantaneous slope of y = eight over x at x = �3?
negative 8 over 3
8 over 3
negative 8 over 9
8 over 9

Click here to see answer by Cromlix(4381)

Question 987327: Where is f of x equals the quotient of x minus 1 and the quantity x squared minus 5 times x plus 4 discontinuous?
f(x) is continuous everywhere
1
1, 4
4
Click here to see answer by macston(5194)

Question 987332: What is the average rate of change of y with respect to x over the interval [�2, 5] for the function y = 3x + 2?
�9
3
1 over 3
�1
Click here to see answer by Edwin McCravy(20055)

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