Answer:
b
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
Negative and negative will always be positive so that you need to add
Speed of Carmen = 40km/h
and speed of Carmella = 60km/h
Step-by-step explanation:
Let the speed of Carmen = x km/h
Carmella speed will be (x + 20)km/h
Distance = 120 km
Time between Carmen and Carmella = 1 hour
Let the time taken by Carmen be T1
and Carmella be T2
As there is 1 hour difference so
We have not considered 60 as it will become negative value and negative value is not possible in distance
Speed of Carmen = 40km/h
Speed of Carmella = 40 + 20 = 60km/h