Answer:
Kiara math fact completion rate is 5
Step-by-step explanation:
The data is as follows
Giovanni
Seconds
Math Facts
from this data we can conclude
Giovanni solves = 20/4 = 5math facts per second
Kiara = 5t , where t represents time in seconds
for 1 second Kiara rate will be = 5*1 math fact per second
= 5 math facts per second