11 x c= s
you have 11 students in one class. you multiple the unknown number of classes(c). to get the total amount of students( s)
A liter is only 32 ounces
And a gallon is 128 ounces
The graph that would easily allow us to see the increase or decrease of persons or individuals owning cellphone/s from 2000 to 2007, we could use bar graph. This bar graph represents the grouped data in rectangles and the number in y-axis would be shown to differ through the lengths of the bars.