Question 721515:  Rolando can type 1,320 words in 24 minutes. At this rate, how many minutes should it take him to type 3,960 words? 
 
 
 Answer by stanbon(75887)      (Show Source): 
You can  put this solution on YOUR website! Rolando can type 1,320 words in 24 minutes. At this rate, how many minutes should it take him to type 3,960 words?  
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Use a proportion: 
min/words = min/words 
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x/3960 = 24/1320 
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x = 3960(24/1320) 
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x = 72 minutes 
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Cheers, 
Stan H. 
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