Answer:
$43.64
Step-by-step explanation:
If the tax rate = 3.9% and the product u are buying is priced at $42
Then, the amount you will pay for the object will be,
$42 + 3.9/100 * 42
=> 42 + 0.039 * 42
=> 42 + 1.638
=> 43.638
43.638 when rounded to the nearest hundredth is,
43.64
Hope it helps :)
