Cost of the new lacrosse stick = $51 Percentage of discount on the new lacrosse stick = 50% Then Amount of discount on the new lacrosse stick = (50/100) * 51 dollars = 51/2 dollars = 25.50 dollars So the cost of the new lacrosse stick after discount is $25.5 and it has already been proved via the above deduction. I hope the procedure is not complicated for you to understand. Only be careful about the calculation part. Other than that there is nothing complicated about the problem.