Please answer this correctly without making mistakes

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

You work for a lender that requires a 20% down payment and uses the standard depth to income ratio to determine a person‘s a little eligibility for a home loan of the following choose the person that you would rate the highest on their eligibility for a home loan

If i have one apple and give you the apple, how many apples do i have?