Answer:
it's 4.5
Step-by-step explanation:
hope I'm right .
Another way to think about this is that $12590 is 80% of the original price. The original was 100%, but this price is 20% off so 100%−20%=80% . The way I like to think is that since I know 12590 is 80%, I can find how much 1% is by dividing 12590 by 80. 12590÷80=157.375.
1. Given
2. Addition property
3. Division property
