Jeremy wanted a new drum set for $600. The drums had a scratch on them, so they were discounted down to $492. By what percent did the drums decrease?

It would be 18%.

First you need to find the difference between 600 and 492 which is 108.
Then you need to divide 108 by 600 which is 0.18.
Then you need to multiply 0.18 by 100 which leaves you with 18%.

Hope this helps x

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The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.