Which algebraic expression represents “ six less than a number “

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia

Y=21.95x+10 y=22.45x solve by substitution

Divide reduce the answer to lowest term 3/7 divided 1 1/6