If we work it through:
70mph is 11mph less than 3 times the fastest running speed for a man.
So 70 + 11 = 81mph is 3 times the fastest running speed for a man.
Can you see where to go from here?
If 3/7 is equal to 42 then 7/7 (100%) is = 98
135.9 rounded to the nearest tenth
Convert mixed number to improper fraction:

There's an app called photomath that would be useful for these kinds of problems!