Answer:
$416.67
Explanation:
8% = 0.08
adding 8% to something means you add 0.08 of it
original = 100% = 1
original + 8% increase = 1 + 0.08 = 1.08
1.08 of original price = new price = 450
1.08 * original price = 450
450/1.08 = original price = $416.67