Question

It cost $480 to rent an apartment on the gold coast for a weekend. Last year it cost $400.Because more people are visiting the gold coast rental price for next year is predicted to increase by 10 %. Shirley is planing to rent an apartment for a weekend stay next year

Answer 1

480 this year and 10% more next year. 10% of 480 is 48 so 480 +48=528 to stay next year

Answer 2

(480 - 400) / 400 = 80 / 400 = .2 * 100 = 20%.

480 + .10 * 480 = 480 + 48 = 528

(528 - 480) / 480 = .1 * 100 = 10%

(x - 480) / 480 = .10

x/480 - 480/480 = .10

x/480 - 1 = .10

x/480 = 1.10

x = 1.10 * 480

= 528