SOLUTION: the length of a rectangle is increased by 80%. by what percent would be the width have to be decreased to maintain the same area?
Algebra.Com
Question 351083: the length of a rectangle is increased by 80%. by what percent would be the width have to be decreased to maintain the same area?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Lets make the rectangle a 10 by 10 square with an area of 100
Increase one side to 18.
18x=100
x=5.556
10-x=5.556
x=4.444
4.444/10=44.44% decrease in the width to maintain the area.
.
Ed
RELATED QUESTIONS
The length of a rectangle is increased by 60% By what percent would the width have to be (answered by ankor@dixie-net.com)
The length of a rectangle is increased by 60%. By what % would the width have to be... (answered by stanbon)
The length of a rectangle is reduced by 30%. By what percent would the width have to be... (answered by ikleyn)
The width of a rectangle is decreased by 20%. By what percent would the length have to be (answered by Edwin McCravy)
the length of a rectangle is increased by 80%. By what percent must its width be... (answered by ankor@dixie-net.com)
The length of a rectangle is reduced by 30%. By what percent would the width have to be... (answered by josgarithmetic)
If the length of a rectangle is increased by 50%, by what % must the width be decreased... (answered by Alan3354)
The perimeter of a rectangle is 28cm. If the length were decreased by 2cm and the width... (answered by Tatiana_Stebko)
the length of a rectangle is increased by 25% . by what percentage should the width be... (answered by fractalier)