Math, asked by parixitbisht44, 28 days ago

average of 20 results is 18.if 3 is subtracted from each results .then what will be the new average?

Answers

Answered by gandhishveta51

6

Answer:

Answer is 15

Step-by-step explanation:

Previous Total = 20×18= 360

New case = 360-3×20

= 360-60

= 300

Therefore, New Average = Sum of all number

-------------------------------

Total number

= 300/20

= 15

HOPE IT HELPS YOU ☺️

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