V1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
=2*30*20/(30+20)
=24km/hr
Answer:
C. 19
B. 47
C. 12
C. 10
C. -8
Step-by-step explanation:
for each equation you take the number given, input it as the value of the variable, and evaluate the equation
hopefully this helps :)
Answer:
i think that is 2m + m14
Step-by-step explanation:
16 because 40-12=28 and Samad will be 28 on 16 years. In 16 years his father will be 56 which is double of 28.
