They would cost $8.75. If you take out 30% from the original price, that is how much they would be.
The intervals along the x axis are inconsistent. the one that says 21-30 should either be split into 2 or have twice the width.
Hope this helps :)
Answer:
The answer is 36
Step-by-step explanation:
30 times 6 equals 180
180 divided by 5 equals 36
answer 36