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 in moving company

Question 485285: 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 in moving company b more expensive than moving company a? Write an inequality and solve for time t.
total charge of company a in t hours
total charge of company b in t hours
write the following inequality to determine t
total charge of company a in t hours>total charge of company b in t hours
show work
Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!
total charge of company a in t hours is
total charge of company b in t hours is
For what lengths of time in moving company b more expensive than moving company a? , So total charge of company a in t hours

divide by (-20), when we divide inequality by negative number the sign of inequality are changed

If working time is hours, then moving company b more expensive than moving company a
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