SOLUTION: Moving company A charges $80 plus $55 an hour to move households across town. Moving company B charges $75 an hour for cross-town moves. For what lengths of time is Moving company

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Question 485218: Moving company A charges $80 plus $55 an hour to move households across town. Moving company B charges $75 an hour for cross-town moves. For what lengths of time is Moving company B more expensive than Moving Company A? Write an inequality and solve for time t.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be the number of hours
company A 80 + 55.00 x
Company B 0 + 75.00 x
company A < Company B
75.00 x < 80 + 55.00 x
75.00 x < 80 + 55.00 x
-80 < 55 x -75 x
-80 < -20 x
4 < x
x should be greater than 4 hours