<span>It is important to keep the same tense in your business writing, because otherwise your readers may misinterpret what you are trying to convey. Not having a uniform form of tense would make the writing confusing for the reader. Hope this helps. Have a nice day.</span>
Answer:

Step-by-step explanation:
Lets solve the first half.

Second one:

Now compare.....Not the same right??
So your answer is: 
Hope this helps :)
Answer:
dont know
Step-by-step explanation:
Ian has a higher passing percentage
Each ticket costs $7 and on Friday every ticket is discounted by $2 so the cost of every ticket would be $5 on Friday and 5x9=45 so the cost for 9 tickets on Friday is worth $45