There could be 42,483,000 potential page fans that John could have excluding his direct fans.
Solution:
1 fan = 17,000 x 15% = 2,550
2,550 x 17000 direct fans = 42,500,000
42,500,000 - 17000 direct fans = 42,483,000
Answer:
speed = distance / time
Jana's speed is
speed = (3.5 mi)/(1/3 h) = 3*3.5 mi/h = 10.5 mi/h
The most reasonable would be grams.