Question

The two consecutive multiples of 3 whose sum is 51 are_______ and_______

Answer 1

The numbers are 24 and 27.
These are two consecuthive multiples of 3, whose sum is 51.
8*3 is a number, and 9*3 is anumber. Both are consecutive multiples of three, whose sum gives 51.
24+27=51.
Hope this will help you.

Answer 2

The numbers are consecutive multiples of 3.
Let of the numbers be 3x
Other number should be 3(x+1)

Sum = 51
⇒ 3x + 3(x+1) = 51
⇒ 3x + 3x + 3 = 51
⇒ 6x + 3 = 51
⇒ 6x = 51 - 3 = 48
⇒ x = 48/6
⇒ x = 8

Numbers are:
3x = 3×8 = 24
3(x+1) = 3(8+1) = 27