Answer:
9 
Step-by-step explanation:
Hi there!
Plug in the value of a:
27÷a
27÷3
9 (Answer)
Hope you find it helpful.
Feel free to ask if you have any doubts.

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This equation would be equal to y = -5x + 30
I don't know the options, but I can say this:
if you bought it at 20 1/4 and you sell them at 25 1/4 then your win pro stock is the difference between those two numbers, which is 5. (25 1/4-20 1/4 =5)
and if you sell all of them, your profit will be 30*5=150 dollars.
2/4= 10/20
1 4/10=14/10 14/10=28/20
10/20×28/20=7/10
I hope this helped!!!:)