Answer: 120 %
Explanation:
part/whole = percent/100
Let x be the percentage we are trying to find, then we can write:
5.40/4.50 = x/100
To solve for x, we can cross-multiply:
4.50x = 5.40 * 100
Dividing both sides by 4.50, we get:
x = (5.40 * 100) / 4.50 = 120
Therefore, $5.40 is 120% of $4.50.