Kaitlin started to run on a treadmill after setting its timer for 72 minutes. The display says that she has finished 29% of her run. How many minutes have gone by? Round your answer to the nearest tenth.
Question
Kaitlin started to run on a treadmill after setting its timer for 72 minutes. The display says that she has finished 29% of her run. How many minutes have gone by? Round your answer to the nearest tenth.
Solution
To find out how many minutes have gone by, we need to calculate 29% of 72 minutes.
Step 1: Convert the percentage to a decimal. To do this, divide the percentage by 100. So, 29% becomes 0.29.
Step 2: Multiply the total time (72 minutes) by the decimal.
So, 0.29 * 72 = 20.88 minutes.
Rounding this to the nearest tenth, we get 20.9 minutes.
So, approximately 20.9 minutes have gone by.
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