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shtirl [24]
2 years ago
6

An industrial machikne is able to make 9 pens in 3 seconds. What is the rate made per second?

Mathematics
1 answer:
OleMash [197]2 years ago
8 0

This problem can be solved using proprtions.  Once you set up the proportion, the calculations are easy.

Let x = number of pens made in 1 second.

\frac{9pen}{3sec} = \frac{xpen}{1 second}

Now, you just cross multiply and solve.

9 = 3x

x = 3

The rate is 3 pens per second.

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