Here ya go. Hope this helps. Have a great day
13x+4
Combine like terms
If there is a minus sign count it as a negative
we know that
total of sum of arc is 360
so, sum of both arc must be 360
so, we get

now, we can solve for x

............Answer
Answer:
It took 5 hours
Step-by-step explanation:
Because 28 times 5 is 140 plus 25 for the call is 165.