Mean=total/the number of values =>total=mean*the number of values
the total of the first set of 8 numbers is : total=8*8=64
the total of the second set of 12 numbers is: 12m
the total of the 20 numbers is: 64+12m
the mean of the 20 number is: (64+12m)/20=5
solve for m: 64+12m=100
12m=36
m=3
Answer:
b-2 i think. Im pretty sure its right if not sorry
Answer:
12 stores
Step-by-step explanation:
180 * 1/15 = 180/15 = 12
Answer:
x ≥ $750
Step-by-step explanation:
