A picture is 30 cm wide and 1.5 m long. What is the ratio of the width to the length of the picture?
A rectangle is 5 cm wide and 20 cm long. The ratio of its width to its length is
A picture is 60 cm wide and 1.8 m long. The ratio of its width to its perimeter in lowest form is
Length of a snake is 10 cm and that of a crocodile is 2 m. Pick the correct statement.