+0  
 
0
99
1
avatar

Mean score of 6 games is 15. The mean game of 7 games is 16. How many points were score in the seventh game?

 Dec 16, 2020
 #1
avatar+32013 
+2

"Mean score of 6 games is 15. The mean game of 7 games is 16. How many points were score in the seventh game?"

 

6 games:    15 = N/6     N = 6*15

 

7 games;   16 = (N+s)/7    where s is score in seventh game, so   N + s = 7*16

 

Hence 6*15 + s = 7*16

 

s = 7*16 - 6*15 = 22

 Dec 16, 2020

59 Online Users

avatar
avatar
avatar
avatar