Final answer:
Kori will save $42.00 on the spring jacket that is on sale for 30% off, and the final cost of the jacket after the discount will be $98.00.
Step-by-step explanation:
The student wants to know how much money Kori will save on a jacket that is originally priced at $140.00 but is on sale for 30% off. To calculate the savings, we multiply the original price by the discount percentage. So, $140.00 × 0.30 = $42.00 savings. To find out the cost after the discount, we subtract the savings from the original price, which gives us $140.00 - $42.00 = $98.00.
Therefore, Kori will save $42.00 and the jacket will cost her $98.00 after the discount is applied.