If $7$ workers can assemble a car in $8$ hours, how long would it take $12$ workers to assemble the same car?

If $7$ workers can assemble a car in $8$ hours, how long would it take $12$ workers to assemble the same car?

A. $3$ hrs
B. $3\, 1/2$ hrs
C. $4 \,2/3$ hrs
D. $5$ hrs
E. $6\, 1/3$ hrs

OA C

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