Allison earns $6,500 per month at her job as a principal. the chart below shows the percentages of her budget how much does Allison pay for her utilities

In order to determine how much does Allison pay for her utilitites, it is only necessary to calculate the percentage associated to utilities, given in the table (2.3%) of the Allison's earns ($6,500).
For calculating the 2.3% of 6,500, you simply multiply (2.3/100) by 6,500, just as follow:
(2.3/100)(6,500) = 149.5
Then, the 2.3% of $6,500 is $149.5. Hence, Allison pay $149 for her utilities