A landscaping company is hired to mow the grass for several large properties. The total area of the properties combined is 1,350 acres. The rate at which one person can mow is as follows:  Ŷ = -1.2X + 1350 Where X is the number of hours and Ŷ represents the number of acres left to mow. a. How many acres will be left to mow after 20 hours of work? How many acres will be left to mow after 100 hours of work?

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A: see below the answer

Q: A = 4Jtr?, for r %3D 6.

A: On solving this we will get

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