Tutors Answer Your Questions about Proportions (FREE)
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(12569)  |
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(15638)  |
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(30983)  |
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 rfer(12647) |
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(57246) |
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(6287) |
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 drj(1380)  |
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(28504) |
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(30983) |
Question 217169: A model airplane is to be an exact replica of the original, but at 1/50 the size. If the actual length of the airplane is 230 feet, how many feet long should the model be?
Part I: Set up a proportion that represents the problem situation. Let x represent the actual length in feet of the model airplane.
Click here to see answer by rfer(12647) |
Question 217622: A contractor agreed to pay a penalty if he failed to remodel a certain building within a specified length of time. The penalties for excess time were P400 for the first day and P100 additional for each succeeding day. If the total penalties was P27,000, how many excess days did he use in completing the job?
I dont have any idea on how to solve this....i hope you can help
Click here to see answer by rfer(12647) |
Question 218368: a 720 ml container hold a mixture of red, yellow and white paint at a 5: 3: 12 ratio. How much more red paint than yellow is present in the mixture.
a. 20 ml
b. 72 ml
c. 108 ml
d. 180 ml
e. 200 ml
Click here to see answer by rfer(12647) |
Question 218863: This is a real question I need answered. I have 1 gallon of grape juice with 20% sugar content. I have another gallon of grape juice that has 68% sugar content. How much of the 68% sugar juice do I add to the 20% sugar juice to get a Juice that has 24% sugar content. Please help if you can.
Thanks,
Jim
Click here to see answer by RAY100(1637) |
Question 218863: This is a real question I need answered. I have 1 gallon of grape juice with 20% sugar content. I have another gallon of grape juice that has 68% sugar content. How much of the 68% sugar juice do I add to the 20% sugar juice to get a Juice that has 24% sugar content. Please help if you can.
Thanks,
Jim
Click here to see answer by ptaylor(2048)  |
Question 218863: This is a real question I need answered. I have 1 gallon of grape juice with 20% sugar content. I have another gallon of grape juice that has 68% sugar content. How much of the 68% sugar juice do I add to the 20% sugar juice to get a Juice that has 24% sugar content. Please help if you can.
Thanks,
Jim
Click here to see answer by stanbon(57246) |
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