Question

the sum of three consecutive even natural numbers is 48 find the greatest of these numbers

Answer 1

let the three consecutive even natural numbers be x,x+2,x+4

x+x+2+x+4 = 48
3x+6 = 48
(x+2)3 = 48
x+2 = 48/3
x+2 = 16
x = 16-2
x = 14

largest number is x+4 = 14+4 = 18

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Answer 2

let the three consecutive even natural no be x,x+2,x+4
according to question,
x+x+2+x+4 = 48
3x+6 = 48
3x = 48-6
3x =42
x = 42÷3
x =14
the greatest no be x+4 =14+4 = 18 answer