The Regular price of hard drive is $210.
Step-by-step explanation:
Let,
Therefore, the price at which he bought the hard drive = $63.
We know that $63 is the 30% of regular price.
⇒ 30 % of x = 63
⇒ (30/100) × x = 63
⇒ 0.3x = 63
⇒ x = 63/0.3
⇒ x = 210
x is 210 dollars which is the regular price of the hard drive.
∴ The Regular price of hard drive is $210.