Question The average of eleven numbers is 8 if twelfth number is added to these numbers the average of all twelve numbers is now 11 what is the twelfth number

If the average of eleven numbers is 8 if twelfth number is added to these numbers the average of all twelve numbers is now 11. The twelfth number is 44. According to the question Let x represents the sum of the eleven numbers and y be the twelfth number. The average of the eleven numbers is 8 means: x/11 = 8 Multiply both sides by 11 (x/11) × 11 = 8 × 11 x = 88 The average of all twelve numbers is 11 means: (x + y)/12 = 11 Substitute x = 88 into the last equation (88 + y)/12 = 11 Multiply both sides by 12 [(88 + y)/12] × 12 = 11 × 12 (88 + y) = 132 y = 132 – 88 y = 44 Hence, If the average of eleven numbers is 8 if twelfth number is added to these numbers the average of all twelve numbers is now 11. The twelfth number is 44. Find out more information about average here https://brainly.com/question/19862658 #SPJ4 Reply

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