Algebra
posted by Dee .
Kevin stuffs shrimp in his job as a seafood chef. He can stuff 1200 shrimp in 4 hours. When his sister helps him, they can stuff 1200 shrimp in 3 hours. If kevin gets sick, how long will it take his sister to stuff 600 shrimp?

Algebra 
Steve
consider 1200 shrimp One job.
1/3 = 1/4 + 1/t
t = 12
so, sis can stuff 1200 shrimp in 12 hours.
600 shrimp in 6 hours
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