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

24+16=40
100/40=2.5
2.5 x 16 = 40
40% of the flowers are yellow
Hope this helps
Answer:
the answer is C.-1/128......
941 with a remainder of 5
P = 4r + 3t
4r = p - 3t
r = (p - 3t)/4