Answer:
[tex]m=\frac{108}{x}[/tex]
m=18 mi/day
Step-by-step explanation:
#The distance remaining is:
[tex]d=150-42\\\\=108 \ miles[/tex]
Let m be the number of miles per day for the remaining distance and let x be the remaining number of days:
[tex]v=\frac{d}{t}, v-speed, t-time, d-distance\\\\m=\frac{108}{x}\\\\[/tex]
#Given that the remaining number of days is 6, we substitute and solve for m:
[tex]v=\frac{d}{t}, v-speed, t-time, d-distance\\\\m=\frac{108}{6}\\\\=18\ mile/day[/tex]
Hence her speed per day is 18 mile/day using the inequality [tex]m=\frac{108}{x}[/tex]