Answer:
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Step-by-step explanation:
she can edit 4 commericals in 144 minutes.
144 divided by 36 is 4
x=21/4
1. combine like terms
-4+-7= -11 3x-2x=x
2. subtract x
5x-11=x+10
4x-11=10
3. add 11
4x=21
4. divide 21 by 4 = 21/4
24 minutes
please refer the the photo bellow
answer is C. 74 degree
