Beth purchased $21.25 worth of groceries. The sales tax rate is 7.5%. What was her total bill?
Possible Answers: $23.79
$21.93
$22.84
$23.41
$22.11
Correct answer: $22.84
Explanation: The tax is calculated by 0.075 * 21.25 = 1.59375 or $1.59. So the total bill is the cost of items purchased plus tax, which is $21.25 + $1.59 = $22.84.
