Zachary is deciding between two landscaping companies for his place of business. Company A charges $40 per hour and a $100 equipment fee. Company B charges
$30 per hour and a $150 equipment fee. Let A represent the amount Company A
would charge for t hours of landscaping, and let B represent the amount Company B
would charge for t hours of landscaping. Write an equation for each situation, in
terms oft, and determine the interval of hours, t, for which Company A is cheaper
than Company B.