Answer:
Six
Explanation:
Assuming she can only have ONE flavor in her cone
2 cone types * 3 flavors = 6 combos
Answer:
500 hours
Explanation:
The sum of total hours over its lifetime will be given by

Where T is total time, r is rate in decimal and To is the original charge hours. Substituting the original charge hours with 5 hours and rate as 0.99 then the time will be

Therefore, the time is equivalent to 500 hours
Resident 4 is the correct answer.
C did the most effort, but A walked the longest, so a reasonable answer is that they all did the same amount of work, as B simply mediates.