SOLUTION: Robin is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $200 for materials and equipment rental plus $60 per hou

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Question 212866: Robin is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $200 for materials and equipment rental plus $60 per hour for labor. Company B gave and estimate of $250 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.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let a = hrs of labor for A
Let b = hrs of labor for B
given:
200+%2B+60a+=+250+%2B+50b
60a+=+50b+%2B+50
6a+=+5%2A%28b+%2B+1%29
a+=+%285%2F6%29%2Ab+%2B+5%2F6
There are an infitite number of answers.
One answer is a+=+10 and b+=+6
I think there is some missing information