Calculate Rate Problem: Converting 3 Cookies Per Minute to Hours

Darío eats 3 cookies per minute.

How many cookies does Darío eat in an hour?

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Step-by-step video solution

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00:00 How many cookies does Danny eat per hour?
00:04 Given: number of cookies per minute, number of minutes per hour
00:07 We will use long multiplication to calculate
00:13 We will solve each multiplication separately and then substitute in the long multiplication
00:29 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Darío eats 3 cookies per minute.

How many cookies does Darío eat in an hour?

2

Step-by-step solution

To solve this problem, we'll go through the following steps:

  • Step 1: Convert the time from hours to minutes.
  • Step 2: Calculate the total number of cookies eaten using the rate of eating.

Now, let's work through each step:

Step 1: Convert the time from hours to minutes. Since there are 60 minutes in an hour, the time span in minutes is 60 60 minutes.

Step 2: Calculate the total number of cookies. Darío's eating rate is 3 3 cookies per minute. Multiply the eating rate by the total time in minutes to find the total number of cookies eaten:

3 cookies/minute×60 minutes=180 cookies 3 \text{ cookies/minute} \times 60 \text{ minutes} = 180 \text{ cookies}

Therefore, Darío eats a total of 180 180 cookies in one hour.

This matches the given correct answer choice. Thus, the solution to the problem is 180 180 .

3

Final Answer

180 180

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