It cost $480 to rent apartment on the gold coat for a weekend.
last year. it cost $400.00.
what method do i use to calculate the % off increase?

answer:

you would find the difference of the prices and divide the value by the original price, the difference would be 80, 80/400 is 1/5 which is 20%. you could write a set of equations or use the interest formula, where p equals the principal amount. r equals the rate/ percentage of interest, n equals the compounding periods and t equals time. hope this ! : )

step-by-step explanation:

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