Answer:
50
Step-by-step explanation:
x = 50
(2x + 5) = 180- 75
(2x + 5) = 105
2x + 5= 105
2x = 105 - 5
2x = 100
x = 100/2
165 hits
27.5% of 600 is 600 x 27.5 / 100 = 165
18 hours
