It costs $480.00 to rent an apartment on the Gold Coast for a weekend. Last year it cost $400.00. What method below shows how you would calculate the % increase?

The third choice.

(480 - 400) / 400 * 100.

Step-by-step explanation:

(480 - 400) / 400 * 100

= 80/400 * 100

= 1/5 * 100

= 20%.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

the answer would be  

a.

3: 1

step-by-step explanation: