Let, speed of 1st bicyclist is x.
So, speed of 2nd bicyclist is x-3 .
We know, relative speed when two objects moves towards each other :

Now, distance travelled in 3 hours is (98-2) miles .
So,

Therefore, speed of bikes are 17.5 mph and 14.5 mph.
Hence, this is the required solution.
Answer:
c
Step-by-step explanation:
Square root of 9 is 3 square root of 180 is 13.416roundes 3x13.416 is 40.248
Anything over 90 and bellow 180 degrees is a obtuse.