Sum of three consecutive multiples of 7 is 1029 find the number
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Given the three consecutive multiples of 7 are 'x' , 'x+7' , 'x+14'
Their sum = x+x+7+x+14 = 777
⇒ 3x + 21 = 777
⇒ 3x = 777-21 = 756
⇒ x = 756/3 = 252 .
Therefore three consecutive multiples of 7 are (x) = 252
(x+7) = 252 + 7 = 259
(x+14) = 252 + 14 = 266 .
Step-by-step explanation:
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