SOLUTION: The central hall of school is 18 m long and 12.5 m wide.A carpet is to be laid on the floor leaving a strip of 50 cm wide near the wall, uncovered. Find the area of the carpet and

Algebra ->  Surface-area -> SOLUTION: The central hall of school is 18 m long and 12.5 m wide.A carpet is to be laid on the floor leaving a strip of 50 cm wide near the wall, uncovered. Find the area of the carpet and       Log On


   

Question 1070480: The central hall of school is 18 m long and 12.5 m wide.A carpet is to be laid on the floor leaving a strip of 50 cm wide near the wall, uncovered. Find the area of the carpet and also the uncovered portion .
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The carpet runs the full length of the hall, and the walls are both along the length.

Carpet area: 18%2812.5-2%2A0.5%29

Floor area: 18%2A12.5

Uncovered area: %2818%29%2812.5%29-%2818%29%2812.5-1%29
(Keep you algebra skills in use to compute this.)