Andrea is having her yard landscaped. she obtained an estimate from two landscaping companies. company A gave an estimate of $230 for materials and...

Andrea is having her yard landscaped. she obtained an estimate from two landscaping companies. company A gave an estimate of $230 for materials and equipment rental plus $65 per hour for labor. company B gave an estimate of $335 for materials and equipment rental plus $50 per hour for labor. Determine how many hours of labor will be required for the two companies to cost the same.