Mia buys 5 yards of ribbon to make bracelets. she needs 18 inches of ribbon to make 1 bracelet. how many bracelets can mia make is she uses all the ribbon she buys

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?