1.

The sum of three consecutive multiples of 6 is 90. Find the number.​

Answer»

ANSWER:

Since they are CONSECUTIVE MULTIPLES of 6, they should be in the form 6(n-1), 6(n), 6(n+1). Here we have sum is 90, 6(n-1)+6n+6(n+1)=18n=90. Therefore, n=5. Consecutive numbers are 24, 30, 36.



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