the average of three number is 24, if one of the number is 18 and the other number is 19 . find the third number.?
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Answered by
10
(18 + 19 + x)/3 = 24
18 + 19 + x = 72
37 + x = 72
x = 35
Third number is 35
18 + 19 + x = 72
37 + x = 72
x = 35
Third number is 35
Answered by
8
let ,the third number = x
=24= (18+19+x)/3
=24×3= 37 + x
= 72 -37 = x
= 35 = x
=24= (18+19+x)/3
=24×3= 37 + x
= 72 -37 = x
= 35 = x
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