1. To find the sales tax rate you can set up the equation:
1200x = 72; divide both sides by 1200
x = 0.06
The tax rate is 6%.
2. 6% of 2500
0.06 x 2500 = $150
For Part A, the answer is d.
3. 6% of x is $108
0.06x = 108; divide both sides by 0.06
x = 1800
The answer for Part B is letter d.
