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The question asks for the rate at which a printer produces posters in an hour, given that it produces 42 posters per minute.

To find the rate in posters per hour, we can use the following steps:

1. The printer produces 42 posters in 1 minute.
2. There are 60 minutes in an hour.

Thus, the total number of posters produced in an hour is:
\[
42 \, \text{posters/min} \times 60 \, \text{minutes} = 2520 \, \text{posters/hour}
\]

The printer produces **2520 posters per hour**.

Would you like further details on this? Here are some related questions you can consider:

1. How would the rate change if the printer speed increased by 10 posters per minute?
2. If the printer worked for 8 hours, how many total posters would it produce?
3. How long would it take the printer to produce 5000 posters at this rate?
4. If another printer produced posters at 50 posters per minute, how many more would it produce in an hour compared to the original printer?
5. How can we express this rate conversion using dimensional analysis?

**Tip**: When converting rates, always make sure the units match, such as converting minutes to hours or vice versa, before multiplying.

A printer produces posters at a constant rate of 42 posters per minute. At what rate, in posters per hour, does the printer produce the posters?

Discover how to convert the production rate of posters from minutes to hours, using a simple multiplication formula. This guide provides a step-by-step explanation on calculating that a printer producing 42 posters per minute will result in 2520 posters per hour.

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