If you mean 7% of 23.98 added to it, then the answer is 25.6586, but if you meant to add the value 7% to it, then the answer is 24.05.
10.00 plus 7 percent tax is 10.70
39.99 plus 7 percent tax = 42.79
59.99 plus 7 percent tax = 64.19
30 percent off of 77 plus 7 percent tax = 57.67
39.90 plus 7 percent sales tax = 42.69
36 dollars plus 7 percent tax = 38.52
179 plus 7 percent tax would be 179 x 1.07 = 191.53
45 dollars plus a 7 percent increase gives a new value of $48.15
0.07% + 7 = 7.0007
11,000 + (7%) = 11,770
11.00 + (7%) = 11.77
16.05