SOLUTION: mrs. micheals has installed a new more powerful sprinkler system, but the new system will go 20 meters farther then the old system. what is the circumference of the spraying area o

Question 262105: mrs. micheals has installed a new more powerful sprinkler system, but the new system will go 20 meters farther then the old system. what is the circumference of the spraying area of the new system?
Found 2 solutions by Alan3354, richwmiller:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What was the radius of the old one?
----------------
Also, is she gonna be watering the neighbors' grass now?

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Compared to the old system the circumference is 2pi (r+20)
2pi*r+40 and the old one was 2pi*r
So it is 40 meters larger than the old circumference.

RELATED QUESTIONS
Use the five steps for problem solving to answer the following question. Please show all... (answered by richard1234)
A landscaper installed a circular sprinkler system using 50.25 feet of copper tubing to... (answered by Boreal,macston)
82. A sprinkler system on a farm rotates 140 degrees and sprays water up to 35 meters.... (answered by 303795)
A farmer has a square plot of land. An irrigation system can be installed with the option (answered by ankor@dixie-net.com)
Can anyone help me with this word problem? A farmer has a square plot of land. An... (answered by Alan3354)
a rectangular lawn has an area of 667 square meters. Surrounding the lawn is a flower... (answered by josgarithmetic)
andrew is having an irregular system installed in his yard. company a charges $1250 plus... (answered by jorel1380)
Austin needs to purchase a new heating/cooling system for his home. He is thinking about... (answered by Theo)
The benefits scale is changing. We need to find out the new equivalent rate from the old... (answered by Theo)