To solve this, you would divide the miles by the number of hours, 21 / 4
21 divided by 4 equals 5.25
the scale is x4
because 10x4=40
11x4=44
18x4=72
you multiply by 4 on all of them
The total cost was 116% of the original bill;
Original bill was;

= <span>$22.5</span>
<em>Answer:</em>
<em>1</em><em>0</em><em>5</em><em>°</em>
<em>Solution</em><em>,</em>
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