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College algebra word problem :(?
Okay, I don't really know how to do this problem, can anyone help me out? =)
It is as follows:
A winery has a vat to hold chardonnay. An inlet pipe can fill the vat in 40 minutes, while an outlet pipe can empty it in 120 minutes. Through an error, both pipes are left open. How long will it take for the vat to fill?
2 Answers
- DWReadLv 71 decade agoFavorite Answer
net fill speed = 1vat/40min - 1vat/120min
= 3/120 - 1/120
= 2/120
= 1/60 vat/min
= 60 min/vat
It takes 60 minutes to fill the vat.
- ?Lv 45 years ago
J=John's speed (mph) G=George's speed (mph) john can rigidity 240miles on the comparable time because it takes george to rigidity 220 miles: (240 mi)/J=(220 mi)/G=time john drives 5mph quicker than george J=G+5 There are 2 equations and 2 unknowns. remedy them concurrently. 240/(G+5)=220/G 240G=220*(G+5) 240G=220G+1100 20G=1100 G=fifty 5 mph J=fifty 5+5 J=60 mph
