Emma uses a 250-meter roll of crepe paper to make streamers. How many dekameters of crepe papers does Emma use?
25 dekameters
correct
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To answer this question, we need to convert the given measurement in meters to dekameters.
1 dekameter is equal to 10 meters.
So, in order to convert 250 meters to dekameters, we'll divide it by 10.
250 meters ÷ 10 = 25 dekameters
Therefore, Emma uses 25 dekameters of crepe paper.