Answer:
It is a case of classical probability.
Step-by-step explanation:
Since we are selecting a number between 1 and 100 randomly which is divisible by 14 the only favorable cases are 14,28,42,56,70,84,98 which are 7 cases out of 100 total numbers thus the required probability becomes
And
an = 2.5n -0.2
Alice saved 218 and mindy saved 218+54