Brainliest to the right answer...
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Answer:
14
Step-by-step explanation:
All you have to do is fill in the variables with the number it is.
e - 1/2f
15 - 1/2(2)
15 - 1
14
Hope this helps! If you have any additional questions please don't hesitate to ask me or your teacher to be sure you master the subject. Stay safe and please mark brainliest so I can move on the the next rank! :)