Frank increased his score on his English assignment from 12 points to 18 points. Below is how he determined the percent increase of his score. Step 1:18 - 12 = 6
Step 2
= 100
Step 3: 600 = 120
Step 4 = 50%
Identify the correct justification for steps 1 and 2. Select TWO that apply.
A. Step 1: Calculate the amount of change
OB. Step 1. Subtract 12 from 18
OC. Step 2: Use the formula
amount of change
original amount
percent change
100
D. Step 2: Use the formula
part
whole
percent
100