Pre-Algebra Quiz
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RATIOS, RATES & PROPORTIONAL REASONING
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Two swimming pools are being filled with water. Pool A starts empty and fills at 50 gallons per minute. Pool B already contains 200 gallons and fills at 30 gallons per minute. A student must choose between modeling Pool A's water amount as a proportional relationship and Pool B's as a non-proportional relationship, or vice versa. After 10 minutes of filling, what should guide the student's choice of which model to use for which pool?
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