200+25x=150+35x. Can someone please help me

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.

2.4+3.2t. you get the answer by adding the ones with variables and ones without