A bar graph is drawn to the scale of `1 cm = r units`. The length of the bar representing a quantity `208 units` is `2.6cm.` Find r.

A bar graph is drawn to the scale of 1cm= runits.The length of the bar representing a quantity 208units is 2.6cm. Find r.

A bar graph is drawn to the scale of 1 cm = 2m units. The length of the bar representing a quantity of 875 units is 1.75 cm. Find m.

A bar graph is drawn to the scale of 1 cm = 2 m units. The length of the bar representing a quanti ty of 875 units is 1.75 cm. Find m .