Answer:
107
Step-by-step explanation:
180-(65+42) = SQR = 73
180-73 = 107
Answer: The same trip will require 3.8 hours.
Step-by-step explanation:
Since we have given that
Time = 
Speed = 55 mph
So, distance would be

If the speed limit = 65 mph
So, time will be

Hence, the same trip will require 3.8 hours.
Answer:
4x+4
Step-by-step explanation:
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Because -3/5 is a negative number
$7.50
Do $60/8 weeks and get 7.5