6th Grade Cattle Grazing Problems: Problem 3

Problem: An art show is open at 9:00 AM, but by the time the gates opened there was already a line of people lined up, waiting to go in. Every minute the same amount of people add to the line. If 3 entrances are opened, then the line has completely cleared by 9:09. If 5 entrances are opened then the line has completely cleared by 9:05. Find the time when the first person in the line arrived at the gates.

Key: Identify cattle and grass

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