SOLUTION: Dawn is a Seafood chef and can stuff a large party pack of shrimp in six hours. If her brother helps her, they can stuff the large party pack of shrimp in four hours. If Dawn gets

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Dawn is a Seafood chef and can stuff a large party pack of shrimp in six hours. If her brother helps her, they can stuff the large party pack of shrimp in four hours. If Dawn gets       Log On


   

Question 261814: Dawn is a Seafood chef and can stuff a large party pack of shrimp in six hours. If her brother helps her, they can stuff the large party pack of shrimp in four hours. If Dawn gets sick, how long would it take her brother to stuff the large party of shrimp by himself?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
6X/(6+X)=4
4(6+X)=6X
24+4X=6X
4X-6X=-24
-2X=-24
X=-24/-2
X=12 HOURS FOR THE BROTHER IF HE WORKS ALONE.
PROOF:
6*12/6+12=4
72/18=4
4=4