Four machines, working independently at the same constant rate, can fill a production lot in 3 hours. How many of these machines would be needed to fill the lot in 30 minutes?

🎲 Try a Random Question  |  Total Questions in Quiz: 9  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
GRE Math: Rates Practice Test — practice the complete quiz, review flashcards, or try a random question.


Four machines, working independently at the same constant rate, can fill a production lot in 3 hours. How many of these machines would be needed to fill the lot in 30 minutes?