Questions on Algebra: Proportions answered by real tutors!

Tutors Answer Your Questions about Proportions (FREE)

Question 133926: President Abraham Lincoln was 6 feet 4 inches tall. An artist wants to make a larger-than-life statue of Lincoln using a scale of 1 inch = 2 feet. How tall will the statue be?
a.12 feet 8 inches
b.25 feet 4 inches
c.76 feet
d.152 feet
it states that the right answer is d but i'm not sure how to set it up in a porportion to get that answer.
Click here to see answer by solver91311(24713)

Question 133973: In a scale drawing of a house, the living room is 1 in. long. The actual length is 24 ft.
Use the scale to answer this question.
The actual width of the living room is 18ft. Find the width on the drawing.
Click here to see answer by nycsharkman(136)

Question 133974: In a scale drawing of a house, the living room is 1 in. long. The actual length is 24 ft.
Use the scale to solve the problem.
On the drawing the hallway is 1/4 in. wide. Find the actual width.
Click here to see answer by checkley71(8403)

Question 134033: 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 8 to 5, the golden ratio. If the length of a rectangle painting is 2 feet longer than its width, then for what dimensions would the length and width have the golden ratio?
Click here to see answer by checkley71(8403)

Question 134041: 48 is 60% of what number?
Click here to see answer by tkruse(1)

Question 134043: what is 175% of 85?
Click here to see answer by solver91311(24713)

Question 134050: what percent of 90 is 50?
Click here to see answer by vleith(2983)

Question 134061: corn bread recipe;
3/4c corn meal per loaf (needed)

with 8 cups of corn meal how many loaves can i make?

Click here to see answer by vleith(2983)

Question 134049: what is 175% of 85?
Click here to see answer by vleith(2983)

Question 134046: what percent of 90 is 50?
Click here to see answer by Madgamer107(9)

Question 134235: The ratio of robins to blackbirds that visit our feeder is 4 to 7. If there are a total of 132 birds, how many robins visit the feeder?
Click here to see answer by ptaylor(2198)

Question 134703: solve for proportion.
a/a + 1 = a + 3/a
could you assist please???
JoyB.
Click here to see answer by stanbon(75887)

Question 134827: Hey I'm Ashlyn. I left my book at school and i had two problems to do i was wondering if you could tell me. I am doing triangles. In the back of the glencoe Algebra 1 red book there are extra practice problems I needed to know what the problems were for 16 & 17 in lesson 11-7. If you coulde help it would be greatly appreciated thanks
Click here to see answer by Earlsdon(6294)

Question 135105:

x+2/5 = 2x+1/3

Click here to see answer by checkley77(12844)

Question 135261: USE A PROPORTION TO SOLVE THE PROBLEM ABOUT DIRECT VARIATION.
A person's hair length varies directly with the number of weeks it has been growing. If Fred shaved his head bald and his hair was 0.15 inches long after 5 weeks, how long would it be afteran additional 4 weeks? Round to the nearest hundredth of an inch.
Click here to see answer by stanbon(75887)

Question 135253: USE A PROPORTION TO SOLVE THE PROBLEM ABOUT DIRECT VARIATION.
A shadow cast by an object on a sunny day varies directly as the height of the object. If a person 61 inches tall casts a shadow 57 inches long, how tall is a tree which casts a shadow 42 feet in length?
Click here to see answer by solver91311(24713)

Question 135475: x-3/x=4/7
Click here to see answer by checkley77(12844)

Question 135634: w is directly proportional to z. If w = -6 when z =2,find w when z =-3
Click here to see answer by solver91311(24713)

Question 135635: m varies jointly with the square of n and the square root of q.
m = k*n^2*sqrtq
-------------------
If m = 24 when n =2 and q =4,
find m when n = 5 and q = 9

If m = 24 when n =2 and q =4, find m when n = 5 and q = 9
Click here to see answer by stanbon(75887)

Question 135585: A study is being done on the catfish population of a lake. An enviromental worker catches, tags, and frees 96 catfish. One month later, he catches and frees 116 catfish and 29 have tags. Which proportion should be used to estimate the total number of catfish, x, in the lake?
Click here to see answer by checkley77(12844)

Question 135636: Hooke's law
The force (f) required to stretch a spring a distance(d) is directly proportional to(d). A force of 5 newtons stretches a spring 0.2 meter.what force will stretch the spring 0.35 meter?
Click here to see answer by vleith(2983)

Question 136479: a map has a scale of 4 cm to 7km. which proprotion would not allow you to find the actual distance beween two cities if they are 10 cm apart on the map?
a. 4/10 = 7/x
b. 7/4 = x/10
c. 4/7 = 10/x
d. 4/10 = x/7
Click here to see answer by checkley77(12844)

Question 137205: A woman started with a full rank of gas in her car. On Saturday she used 2/5 of the tank. On Sunday she used 3/4 of what was left in the tank. What part of the full tank was left after the weekend?
Could you please help me, thanks.
Click here to see answer by vleith(2983)

Question 137241: please help me find a solution to this proportion. I cant get it factored.
2x^+9x-5
--------
4x^-4x+1
All that i can come to is (2x___)(1x___)
= --------------
(2x___)(2x___)

please help me it would be much appreciated.Thanks
Dustim Martin.

Click here to see answer by Earlsdon(6294)

Question 137396: Mark's soccer team played 12 games. The ratio of games won to games lost was 2:1. To the nearest whole percent, what percent of the games did his team lose?
Click here to see answer by edjones(8007)

Question 137436: Mark's soccer team played 12 games. The ratio of games won to games lost was 2:1. To the nearest whole percent, what percent of the games did his team lose?
Click here to see answer by stanbon(75887)

Question 137413: Mark's soccer team played 12 games. The ratio of games wont to games lost was 2:1. To the nearest whole percent, what percent of the games did his team lose?
Click here to see answer by checkley77(12844)

Question 138207: You serve a tennis ball from one end of a tennis court, 39 ft from the net. You hit the ball at 9 feet above the ground. It travels in a straight path down the middle of the court, and just clears the top of the 3-ft net. How far from the net does the ball land?
WORK:
he is 39ft from the net, the net is 3ft high, the ball is hit 9 ft above the ground
Click here to see answer by stanbon(75887)

Question 138206: The height of the Eiffel Tower is 984 ft. A souvenir model of the tower is 6 in. tall. At 5 P.M. in Paris, the shadow of the souvenir model is 8 in. long. The Eiffel Tower and its shadow determine two legs of a right triangle that are similar to the two legs of a right triangle determined by the souvenir model and its shadow. About how long is the shadow of the Eiffel Tower?
Click here to see answer by stanbon(75887)

Question 138236: i need help with this problem:
n-3 n-4
---=---
n+5 n+3
Click here to see answer by checkley77(12844)

Question 138216: 2. Determine the next three terms that fit the pattern:
3, 7, 17, 27, 44, 71.......115,186,301
Click here to see answer by checkley77(12844)

Question 138303: Seventy eight is divided into two parts such that five times the first part and fourtimes the second part are in the ratio 15:14.Find the first part
a)32 b)36 c)42 d)46

Click here to see answer by vleith(2983)

Question 138311: 100 nautical miles equals about 115 statute miles. About how far in nautical miles is 50 statute miles? Round to the nearest whole number
Click here to see answer by checkley77(12844)

Question 138336: The average age of three boys is 25 years and their ages are in the proportion 3:5:7.The age of the youngest boy is
a)21 b)18 c)15 d)9

Click here to see answer by checkley77(12844)

Question 138543: Problem-Solving Strategy: Make A Table
Paul wants to buy a stereo system. The store allows a 15% discount if the purchase is paid for within 30 days. A 20% discount is given if the purchase is paid for within 10 days. If Paul pays $400 at the time of purchase, what was the original price of the stereo system?
Click here to see answer by vleith(2983)

Question 139535: Maria is standing beside a 15-foot flagpole. She is 4.5 feet tall and casts a 7.5-foot shadow. What is the length of the flagpole's shadow?
Click here to see answer by MathLover1(20849)

Question 139534: Jacob's shadow is 150% of his height. He is 5 feet tall. His older brother casts a 9-foot shadow. How tall is Jacob's older brother?
Click here to see answer by checkley75(3666)

Question 139790: How do you find proportion
example
Which of these is the correct proportion
72:24=8:3 WRONG
36:48=2:3 WRONG
2:5= 30:75 CORRECT
9:7= 81:54 WRONG
Click here to see answer by checkley75(3666)

Question 139970: A is directly proportional to B. When A is 7, B is 2. What is B when A is 10?
P is inversely proportional to Q. P is 5 when Q is (1/10). What is P when Q is 0.01?
I am confused? Do you set this up as a cross multiplication? Please help. Thankyou Bill
Click here to see answer by stanbon(75887)

Question 140093: Which pair of ratios does not form a proportion?
A. 4/10, 18/45
B. 26/2,52/4
C.-2/5, -8/25
D. -4/7, -20/35
Answ. -4/7, -20/35 Right????
Click here to see answer by checkley77(12844)

Question 140433: I have a pie chart. divided into 4 sections.
1/4 says A(20%)
1/4 says B (25%)
1/4 says C
1/4 says D
The ratio of C's to D's is 7:4
There are more B's than A's.
How many C's are there?
I am confused... Maria
Click here to see answer by stanbon(75887)

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