Question

Roy wants to buy a fish tank that usually costs $90, but is on sale for 30% off. What is the sale price for the fish tank? I​

Answer 1

$63

Explanation:

30% of $90 = $27

27-90=63

The sale price of the the fish tank is $63.

Answer 2

$63

Explanation:

The full price of the tank is $90 which is also 100% of the price.

Since the sale is 30% off, and 100% - 30% = 70%, the sale price is 70% of the original price.

70% of $90 = 0.7 × $90 = $63