The machine

The machine works 7 hours a day and produces 1 part in 5 minutes. How many parts will it produce in 1 hour? How many parts will it produce in 1 day?

Correct answer:

n₁ =  12
n₂ =  84

Step-by-step explanation:

$n_1={\displaystyle \frac{60}{5}}=12$

$n_2=n_1\cdot 7=12\cdot 7=84$

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