SOLUTION: A rectangle has a perimeter of 18 inches. A new rectangle is formed by doubling the width "w" and tripling the length "L". The new rectangle's perimeter is 46 inches. Write and sol

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: A rectangle has a perimeter of 18 inches. A new rectangle is formed by doubling the width "w" and tripling the length "L". The new rectangle's perimeter is 46 inches. Write and sol      Log On


   

Question 1056457: A rectangle has a perimeter of 18 inches. A new rectangle is formed by doubling the width "w" and tripling the length "L". The new rectangle's perimeter is 46 inches. Write and solve a system of equations to find the length and width of the orginal rectangle. Find the length and width of the new rectangle
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Original rectangle 2w%2B2L=18,
w%2BL=9

New rectangle, 2%282w%29%2B2%283L%29=46
2w%2B3L=23


Simplified system to solve is system%28w%2BL=9%2C2w%2B3L=23%29. Use your skills.

L=5