math hw averages problem

label Mathematics
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

In a set of seven numbers, the average of the first four is 15, and the average of the last three is 8. What is the average of all seven numbers?

Sep 16th, 2014

ave = [4(15)+3(8)] / 7 
= (60+24)/7 
= 84/7 
= 12 

please choose me best 

Sep 16th, 2014

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Sep 16th, 2014
...
Sep 16th, 2014
Jun 28th, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer