Answer:
The correct answer is B. Mark the points of intersection between the three circles.
X = Harry's Age
Nick's age is 7x
In 6 years Harry is 7x+6, and Nick is 5(x+6)
7x+6=5x+30
2x+6=30
2x = 24
x = 12
Harry = 12 years old and in 6 years Harry will be 18.
.9 = 90% so .95 = 95% and .95 is bigger that .9