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29-08-2017
Mathematics

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Carlos can print a document on apricot printer which the speed is 8 in 4.5 minutes how long would it take him to print the same document on a sure-fire printer which the speed is 12

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Аноним Аноним

04-09-2017

The apricot printer has a speed of 8.
The surefire printer has a speed of 12.

The surefire is faster than the apricot printer, so it wll take less time to print a document.
The apricot printer takes 4.5 minutes.
Therefore by proportion, the surefire printer takes
(8/12)*4.5 = 3 minutes.

Answer: 3 minutes

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