Question 43429
1114.80-150.00=964.80 thus x+.072x=964.80 or 1.072x=964.80 or x=900 thus the sales were $900.00 with an added sales tax of 7.2% 

900+.072*900+150=1114.8 or 900+64.8+150=1114.8 or 1114.8=1114.8