Atest is worth 100 points. multiple-choice questions are worth 3 points and short-answer questions are worth 5 points. if the test has 28 questions, how many multiple-choice questions are there?

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