the average age of 5 childern is 10 years old. If the ages of four of them are 12,14,15 and 8 what is the age of the fifth child ?
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fifth child is 1 year old
swagger0dagger:
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average of 4 children = (x1+x2+.....x5)/5
10*5= (12+14+15+8+x5)
50=49-x5
50-49=x5
1=x5
age of the fifth children is 1 year
i hope this will help you
10*5= (12+14+15+8+x5)
50=49-x5
50-49=x5
1=x5
age of the fifth children is 1 year
i hope this will help you
it does thanks
your welcome
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