Answer:
3 hr(s)
Step-by-step explanation:
20 km/1 hour
60km/20km = 3
3 < 3x+6
-3<3x
-1<x
3x+6<24
3x<18
x<6
-1<x<6 the book is right
Answer:
OD Divide both sides of the equation by 2.
Step-by-step explanation:
Inequality 9d+10>72
Num of hot dogs needed to be eaten per min, 7.