The number of buses needed for a school field trip depends on the total number of people going. One field trip required 7 buses for a total of 217 students and 35 adults. What is the rate of people per bus?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

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Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?