A picture is 60cm wide and 1.8m long. The ratio of its width to its perimeter in lowest form is
Width = 60cm
Length = 180cm
Perimeter = 2(l+b) = 2 (180+60) = 480 cm
Ratio of width to perimeter = 
Hence the ratio is 1:8
3
A picture is 60cm wide and 1.8m long. The ratio of its width to its perimeter in lowest form is
Width = 60cm
Length = 180cm
Perimeter = 2(l+b) = 2 (180+60) = 480 cm
Ratio of width to perimeter =
Hence the ratio is 1:8