Question

Brittany's family went to dinner at her favorite resturant because her father had a coupon for 15% off . Her father said if she could correctly figure out the total cost of dinner ,including the 6 1/2 Sales tax, he would take them all out for frozen yogurt on the way home. The meal costs 53.52 without the discount .Brittany determined the total,with the discount and sales tax ,will be $44.50. Did Brittany figure it out correctly? Show your work to support your answer.

Answer 1

So first thing first  
 
All you need to do is get is 15% of 53.52 witch is 8.02800 so 

53.52-8.02800 is 45.492 so she was wrong