A landscape contractor is hired to cultivate ornamental plants in three new residential developments. The contractor charges the developer for each tree cultivated an hourly rate to cultivate the ornamental plants, and a fixed delivery charge. In one development it took 211 labor hours to cultivate 244 ornamental plants for a cost of $9,394. In a second development it took 128 labor hours to cultivate 283 ornamental plants for a cost of $8,270. In the final development it took 165 labor hours to cultivate 386 ornamental plants for a cost of $10,938. In total 504 labor hours were taken and 913 ornamental plants were cultivated. 1. Using Cramer’s Rule of the Inverse Method, determine the cost for each tree, the hourly labor charge, and the delivery charge.
A landscape contractor is hired to cultivate ornamental plants in three new residential developments. The contractor charges the developer for each tree cultivated an hourly rate to cultivate the ornamental plants, and a fixed delivery charge. In one development it took 211 labor hours to cultivate 244 ornamental plants for a cost of $9,394. In a second development it took 128 labor hours to cultivate 283 ornamental plants for a cost of $8,270. In the final development it took 165 labor hours to cultivate 386 ornamental plants for a cost of $10,938. In total 504 labor hours were taken and 913 ornamental plants were cultivated.
1. Using Cramer’s Rule of the Inverse Method, determine the cost for each tree, the hourly labor charge, and the delivery charge.
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