Respuesta :
Answer - A.) 5
Explanation
Add all the number to get a sum
The sum is 380
Then you use the different answers and add them into the sum then divide by 8
380 + 5 = 385
385/7 = 55
55 is the mean they were aiming for.
so now we know they needed 5 more cars to get a mean of 55
Explanation
Add all the number to get a sum
The sum is 380
Then you use the different answers and add them into the sum then divide by 8
380 + 5 = 385
385/7 = 55
55 is the mean they were aiming for.
so now we know they needed 5 more cars to get a mean of 55
Answer: they neeed to sell 5 more
Step-by-step explanation: