How can you increase a numbers by percentage?

Ataxi company charges $2.25 for the first mile and then $0.20 per mile for each additional mile, or f = $2.25 + $0.20(m - 1) where f is the fare and m is the number of miles. if juan's taxi fare was $6.05, how many miles did he travel in the taxi? if juan's taxi fare was 7.65, how many miles did he travel in taxi

How many terms does the polynomial x^2 y^2 have

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes