The figure shows the intersections of three one-way streets. To keep traffic moving, the number of cars per minute entering an intersection must equal the number exiting that intersection. Write an equation for intersection 12 that keeps traffic moving. ... Type an equation.) 7 Cars/min 14 Cars/min Cars/min 10 Cars/min 9 Cars/min 8 Cars/mi Write an equation for intersection 1₂ that keeps traffic moving. Make sure to use the same variables as in the figure.

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