Mathematics, 17.04.2021 01:30 julionavedo21

A machine can grade 30 tests in 2 minutes. At this rate, how long will it take the machine to grade 135 tests? 8 minutes

9 minutes

10 minutes

12 minutes

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More questions: Mathematics Another questions

A machine can grade 30 tests in 2 minutes. At this rate, how long will it take the machine to grade 135 tests? 8 minutes 9 minutes 10 minutes 12 minutes

Answers

Another question on Mathematics

A machine can grade 30 tests in 2 minutes. At this rate, how long will it take the machine to grade 135 tests? 8 minutes

9 minutes

10 minutes

12 minutes