Question 129161
In an auditorium there are 4a rows, and each row can accommodate 5yz benches. If x students can be accommodated in each bench, then how many students can sit in the auditorium? 
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Total # of benches: 4a*5yz = 20ayz
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Total # of places for students: x*20ayz = 20axyz
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Cheers,
Stan H.