Question

8. If the mean of x, x + 2, x +4, x + 6, x+8 is 24, find x.
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Answer 1

Answer:

24=(x+x+2+x+4+x+6+x+8)/5

24*5=5x+20

120=5x+20

5x=120-20=100

x=100/5

x=20

Answer 2

24_ (x+x+2+x+4+x+6+x+x+8)/5

120_5x+20

5x_100

x_100/5

x_20