Answer:
$47.70
Explanation:
Formula Applied :
Final cost = Sale Price + Sales Tax
============================================================
Finding Sales Tax :
⇒ 45 × 6%
⇒ 45 × 3/50
⇒ 3 × 9/10
⇒ $2.70
===========================================================
Solving :
⇒ Final cost = $45 + $2.70
⇒ Final cost = $47.70