2.5(12.75x + 24.50) = 188.75
31.875x + 61.25 = 188.75
31.875x = 188.75 - 61.25
31.875x = 127.50
x = 127.50 / 31.875
x = 4....they worked 4 hrs
Answer:
compute its exterior angle as 360/18, which is 20 degrees
Step-by-step explanation:
Greatest Common Factor: 2
Step-by-step explanation:
i cant do this