Twenty less than 8 times a number is the same as 15 more than the number in equation form

Multiplying an even number of negative numbers gives an answer that is choose from:

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

What is the radical expression that is equivalent to the expression 27 1 over 5?