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Systems Of Equations Part I Assessment

Systems of Equations (Part I) Answer the question and solve the problems below. Make sure you show all your work so you can get partial credit even if you get the final answer wrong.

Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $123.00 for 3 days and 300 miles, while Mary was charged $216.00 for 5 days and 600 miles. What does Best Rental charge per day, for mileage?

Let x = daily fee and y = mileage fee. The system of equations would then be as follows: Barney (3x + 300y = $123.00), Mary (5x + 600y = $216.00).

We take Barney's equation and isolate for x:

300y = 123 (3x + 300y)/3 = 123/3 x + 100y = 41 x = 41-100y

There were 44,000 people at a ball game in Los Angeles. The day's receipts were $369,000. How many people paid $13.00 for reserved seats and how many paid $6.00 for general admission?
Let x = people with reserved seats and y = people with general admission. This means that x + y =…

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Substituting Equation 2 into Equation 1, we get x + y = 52 (12 + y) + y = 52 12 + 2y = 52 2y = 40 y = 20

Substituting for y into Equation 2, we get x = 12 + y x = 12 + 20 x = 32

Therefore, the Tigers won 32 total games during the 1998-1999 Little League season.
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