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myrzilka [38]
3 years ago
5

RewarDing BrAinly FoR CorreCt AnsWer

Mathematics
2 answers:
Yuki888 [10]3 years ago
5 0

Answer:

B 126, 126+7 equals 18 so thats the answer

marta [7]3 years ago
5 0
The store sold 126 stereos for the 7 days.

The first one is just completely out, the store sold 25 stereos for 7 days is just too little per day. If the store sold 126 stereos for 7 days, meaning PER day, they would sell 18.

126/7= 18

they sell 18 per day. This is your answer. Since all the 7 numbers are 18, 18 is going to be your mean.

For the last two, if they sold 18 stereos on at least half of 7 days, that mean would be in between 18 and another number. And, if they sold 18 stereos on at least two of the days, I doubt the mean would be 18. Since the ratio is 2:7
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