Answer:
8
Step-by-step explanation:
mean of A=28+23+30+25+27/5 = 26.6
average of B=22+19+15+17+20/5 = 18.6
now,
difference= 26.6-18.6
=8,,
The answer you will be dividing by is 4. hope this helps
Answer:
12.5%
Step-by-step explanation:
1 dozen=12
5 dozen= 60
Earnings= 9x60= rs 540
Profit= 540-480= rs 60
Percentage profit= 60/480×100%=12.5%
Brainlist please
5 - 7 = -2. Therefore, the answer is (-2, 5).