The answer to your question is A
2v-6v=-4v
-4v+7v=3v
3v=15
15 divided by 3 is 5
Answer:
4,800
Step-by-step explanation:
(14,700- 1,500) / 2 h 45 m
= 13,200 / 2.75
= 4,800 L/h
Answer:
6m+7.5
Step-by-step explanation:
the arithmetic mean is the average of two numbers
it is given that a is average of 6m and 10
so 
b is the average of 4m and 4
so 
c is the average of 14m and 16
so 
now the average of a ,b and c is given by

It would be 110 miles. 5×20=100 and half of 20 is 10