It takes one student 12 hours to wash all of the cars at a school car wash. if 8
students wash all the cars, how many hours will each person spend washing
cars? (assume that all students wash cars at the same rate.)

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right

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step-by-step explanation:

1. perpendicular

2. parallel

3. perpendicular