Abus can hold 44 people, if there are 35 students in samantha's class, how many more people can ride on the bus? , answer needs to be written on a number line

To find out how many people can ride on the bus, all you have to do is subtract 35 from 44, the answer being 9.

My attempt at a number line on :
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  '     '     '     '     '     '     '     '     '
                                  35        44

Really, you should probably just do this part yourself.