Answer:
2727/10000
Comment: Um i'm not exactly sure but I tried but maybe you should wait for another response.
272727/ 1000000
Step-by-step explanation:
Subset of A = { {} , {a} , {b}, {a.b} }
a. 1.25 laps per min
b. .8 min per lap
c. 17.6 minutes
x-3
Is there more to this?