Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three options. 1. The amount of change is different for the percent increase and the percent decrease.

2. The ratio of the percent increase is ngt the same as the percent decrease.

3. The ratio for the percent increase has a smaller denominator than the percent decrease.

4. The ratio for the percent increase has a different numerator than the percent decrease.

5.The original amount for the percent increase is different from the original amount for the percent decrease.