Answer:
3).

4).
If it was by 10, k = 3 by 10
k = 30
5).

$1.75 + $0.25x <span>≤ $15; x < 53
So the first one. Because you must pay the flat fee, and then for x miles you must pay $0.25. When you do (15-1.75) / 0.25 the answer is 53.</span>
Ed = 96 but switch the numbers
The answer to your question is 4 and 27/ 56