The average of 4 numbers is 10. If each of the numbers is increased by 8,
what is the average of the 4 new numbers?

New Average = 14

Step-by-step explanation:

Average = 10

let the 4 numbers be  :   a, b, c, d

(a + b + c + d)/4 = 10

((a+4) + (b+4) + (c+4) + (d+ 4) )/4 = New Average

(a + b + c + d + 16)/4 = New Average

(a + b + c + d)/4  +  16/4 = New Average

10 +  16/4 = New Average

10 + 4 = New Average

New Average = 14

answer: i'm great at algebra

~coco

step-by-step explanation:

answer by yourhope:

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