Question

length of a rectangular board is thrice of width, if width is 120 cm , find the cost of framing it @ 5 for 20 cm​

Answer 1

Answer:

₹240

Step-by-step explanation:

length=3x breadth=3x120=360

perimeter=2x(l +b ) =2x(120+360)

2x480=960

cost of framing 20cm=₹5

cost of framing 1 cm=5/20

cost of framing board=(5/20)x960=₹240