Questions on Algebra: Proportions answered by real tutors!

Tutors Answer Your Questions about Proportions (FREE)

Question 206907: For a certain time period the ratio of the dollar value of exports to the dollar value of imports for the United States was 2 to 3. If the value of exports during that time period was 48 billion dollars, then what was the value of imports?
Click here to see answer by stanbon(75887)

Question 207709: Estimate the solution of 11/a = 9/17.
Click here to see answer by RAY100(1637)

Question 208192: A Boeing 747 jet is approximately 230 ft long and has a
wingspan of 195 ft. If a scale model of the plane is about
40 cm long, what is the model�s wingspan?

Click here to see answer by checkley77(12844)

Question 208675: Rise and run. If the rise is 3/2
and the run is 5, then what is
the ratio of the rise to the run?
Click here to see answer by nerdybill(7384)

Question 208673: Rise and run. If the rise is
3/2 and the run is 5, then what is
the ratio of the rise to the run?
Click here to see answer by nerdybill(7384)

Question 208674: The golden ratio. The ancient Greeks thought that the
most pleasing shape for a rectangle was one for which the
ratio of the length to the width was approximately 8 to 5,
the golden ratio. If the length of a rectangular painting is
2 ft longer than its width, then for what dimensions would
the length and width have the golden ratio?
Click here to see answer by algebrapro18(249)

Question 209360: URGENT QUESTION 9 not sure if its in the right place, if its not could you please email me the right place for it???)Thanks
The question is-
two numbers P and Q are such that P is 40% greater than Q. FInd the ration of P:Q
thanks, heaps.
Click here to see answer by Alan3354(69443)

Question 209512: -4(3+x)+5=4(x+3).....can i get a detailed explenation of how to do this problem, i dont know if i should add 4x to each side or not after using the distributive property.
Click here to see answer by checkley77(12844)

Question 209762: Translate the problem situation to a system of equations. Do not attempt to solve.
The perimeter of a rectangular building is 234 feet. The width is 25 feet shorter than the length. What are the dimensions? (Let W represent the width and L represent the length.)
A) W = L - 25, 2L + 2W = 234
B) W = L - 25, L + W = 234
C) L = W - 25, 2L + W = 234
D) W = L + 25, 2L + 2W = 234
Click here to see answer by 314(4)

Question 210318: A child's bank contains $2.24 in pennies and nickels. If the number of pennies is 40 less than 3 times the number of nickels, then how many pennies are in the bank?
Click here to see answer by stanbon(75887)

Question 210826: steven wants to make brownies he finds a recipe that makes 48 brownies with 1/4 cup of brown sugar how much brown sugar to make 24 brownies
Click here to see answer by checkley77(12844)

Question 211198: Factor the following sum of 2 cubes, please x^3+64y^3.
Factor 4r^2+21r+5
Factor if possible 9-12b+4b^2
Factor completely 3s^2-10s+8
THANK YOU!!
Click here to see answer by jim_thompson5910(35256)

Question 211458: You have to mix sealant that has a ratio of 16:100, catalyst to base. How much catalyst and how much base must you use to make 638 grams of sealant?
Click here to see answer by RAY100(1637)

Question 212159: Please Help Me With This Question. Thanks!
A set contains the whole numbers 2 through 15 inclusive. One number is selected at random. What is the probability of selecting a number less than 5 or more than 10? (Reduce.)
Click here to see answer by Theo(13342)

Question 212174: need help solving this type of question
1/3:2/3=1/6:x
Click here to see answer by checkley77(12844)

Question 212495: a 6-foot tall man is standing near a tree on level ground, and the mans shadow is 4feet long, how many feet tall is the tree.(the tree is 18 feet_
Click here to see answer by vleith(2983)

Question 212256: WHAT IS THE PERIMETER = 3 CENTIMETERS + 4CENTIMETER +5 CENTIMETER?
Click here to see answer by drj(1380)

Question 213023: by weight, the ratio of chlorine to sodium in table salt is 35.46 to 23.00. How much sodium is contained in 50.00kg or salt? Has to be set up as an appropriate proportion and then be solved.
Click here to see answer by ankor@dixie-net.com(22740)

Question 212271: Toxic pollutants. The annual cost in dollars for removing
p% of the toxic chemicals from a town�s water supply is
given by the formula
C(p)=500,000/100-p
a) Use the accompanying graph to estimate the cost for
removing 90% and 95% of the toxic chemicals.
b) Use the formula to find C(99.5) and C(99.9).
c) What happens to the cost as the percentage of
pollutants removed approaches 100%?
Click here to see answer by checkley77(12844)

Question 213793: an adult sets out from home to pick up their child from school, and walks at a pace that will take 10 minutes to get to the school. At exactly the same time,the child leaves school to walk home at a pace that will take 20 minutes to get home. After how long will they meet? How would you justify your solution to the child?
Click here to see answer by ankor@dixie-net.com(22740)

Question 213924: I am taking GED classes. We do not have a textbook just work sheets.

1. if 3 cans of asparagus cost $7.00, How much do 12 cans cost?
2. if it takes a basket maker 20 days to make 30 baskets, how many baskets can be made in 60 days?
Click here to see answer by Alan3354(69443)

Question 214220: which planet has the most satellites
Click here to see answer by Edwin McCravy(20054)

Question 214360: the number of employees in company A,B,C are in ratio of 4:5:6espectively. if number of employees in 3 companies is increased by 25%,30%,50%. wat will be the new ratio of employees in A,B,C
Click here to see answer by Earlsdon(6294)

Question 214717: When two full moons appear in the same month,the second full moon is called a blue moon. On average, 10 blue moons occur every 25 years. Find the number of blue moons that are likely to occur in the next 41 years.

Click here to see answer by stanbon(75887)

Question 214724: A sofa is 6 feet long. In a scale drawing, the sofa is 3 inches long. Find the scale of the drawing without units.

Click here to see answer by stanbon(75887)

Question 214724: A sofa is 6 feet long. In a scale drawing, the sofa is 3 inches long. Find the scale of the drawing without units.

Click here to see answer by drj(1380)

Question 214723: A large floral carpet of begonias is being designed to mimic the carpet made every few years at the Grand Place in Brussels, Belgium. Before making the carpet, designers make detailed scale drawings. Suppose the floral carpet is to be 40 meters wide. A designer creates a scale drawing of the carpet that is 10 centimeters wide. Find the drawing's scale.

Click here to see answer by Earlsdon(6294)

Question 214779: My teacher wants use to write a narrative description of what you would do to simplify.

1. (16) power of 1/2 I know the answer is four b/c I did it in the calculator but how does it get that.

Click here to see answer by stanbon(75887)

Question 214920: A ski-lift that runs to the top of a hill has a rise to run ratio of 4/5. The horizontal distance from the bottom of the lift to the center of the mountain is 6000 ft. How high is the hill? If necessary, round your answer to the nearest tenth of a foot and label it ft..
Click here to see answer by jim_thompson5910(35256)

Question 214997: are these two rates proportional? 65 miles/2 hours ? 125 miles/4 hours
Click here to see answer by jim_thompson5910(35256)

Question 215178: What is the mph of 270ft in 10.8 minutes?
Click here to see answer by stanbon(75887)

Question 215291: How much 20% salt solution is added to 20 liters of 60% salt solution to get a solution that is 36% salt
Click here to see answer by RAY100(1637)

Question 215368: The leaf-cutter ant is about 1.27 cm long and takes
strides of 0.84 cm. If a person could take proportionally
equivalent strides, what size strides would a 1.65 m tall
algebra student take?
Click here to see answer by checkley77(12844)

Question 215394: she walk 3 miles in 45 min what was her avrege rate in min per miles?in miles per hour?
Click here to see answer by drj(1380)

Question 215571: The ratio of men to women at a certain company is 3:5 . How many male employees does the company have if there are 112 employees?

Click here to see answer by drj(1380)

Question 215558: The price per person of renting a bus varies inversely with the number of people renting the bus. It costs $15 per person if 64 people rent the bus. How much will it cost per person if 37 people rent the bus?
Click here to see answer by ankor@dixie-net.com(22740)

Question 215673: A ski-lift that runs to the top of a hill has a rise to run ratio of . The horizontal distance from the bottom of the lift to the center of the mountain is 6000 ft. How high is the hill? If necessary, round your answer to the nearest tenth of a foot and label it ft
Click here to see answer by Alan3354(69443)

Question 216336: Solve this proportion:
2/7 = 5/y
Please I need help right now, this is homework and it is due tomorrow!
Click here to see answer by rfer(16322)

Question 216297: 15 over 4
Click here to see answer by bob123132(33)

Question 216690: I have 10 blocks with 3 baskets. I need to have an odd number of blocks in each basket (greater than one) and equalling 10.
I need to know a number of ways in which to solve this problem.
Click here to see answer by rfer(16322)

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