Three consecutive multiples of 7 add up to 210 . Find the multiples
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ANSWER: THE THREE NUMBERS ARE 63, 70, 77.
ASSUMPTION: TAKE THE CONTINUOUS MULTIPLES AS 7x , 7(x + 1) , 7(x + 2)
GIVEN: 7x + 7(x + 1) + 7(x + 2) = 210.
TO FIND: 7x , 7(x + 1) , 7(x + 2)
EXPLANATION: 7x + 7x + 7 + 7x + 14 = 210. 21x + 21 = 210. DIVIDE BY 21 ON BOTH SIDES. x + 1 = 10. x = 9. 7x = 7(9) = 63. 7(x + 1) = 7(10) = 70.
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63, 70, 77
They are multiples
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