Answer:
$50.40
Explanation:
90 - 20%:
We can use fractions to simplify this percentage:
90 - 2/10 = 90 - 18 = 72.
So before it was put on clearance, it was $72.
After it's put on clearance:
72 - 30% = 72 - 3/10 = 72 - 21.6 = 50.4
So the final price is $50.4.