Final answer:
To find a 12% increase on 450, you multiply 450 by 1.12, which gives you 504. This represents a 12% increase from the original amount.
Step-by-step explanation:
The student has asked a mathematics question regarding the calculation of a percentage increase. To calculate a 12% increase on 450, you can multiply 450 by 0.12 (which is the decimal equivalent of 12%) to find the amount of the increase.
Step 1: Convert the percentage to a decimal.
450 (1 + 12/100) = 450 (1 + 0.12) = 450 * 1.12
Step 2: Multiply the original number by the decimal.
450 * 1.12 = 504.
After adding 12% to 450, the result is 504. This is the answer to the question of what 450 is when it's increased by 12%.