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lildeb1 lildeb1
  • 30-08-2016
  • Mathematics
Answered

Kelly is playing a computer game to help her learn about science .Her scores for the first six games were 10,12,10,8,14, and 15. How any points does she needs to earn on the next games so that her average score for all games is 12 points

Verified Answer :

Kevinyip
Kevinyip Kevinyip
  • 30-08-2016

(10+12+10+8+14+15+x)/7=12
(79+x)/7=12
79+x=84
x=5

Check: (10+12+10+8+14+15+5)/7=12
84/7=12
12=12

Kelly has to score 5

Answer Link
pearlielb pearlielb
  • 28-08-2018

The answer is 15 here.

Answer Link

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