Question

The sum of two consecutive multiples of 3 is 81. Find the multiples.​

Answer 1

let first multiple= x

second multiple= x+3

=x+x+3= 81

=2x+3=81

=2x=78

x= 39

_____

x+3= 39+3= 42

The multiples are 39 and 42

Answer 2

Answer:

39 and 42

Step-by-step explanation:

39 + 42 = 81

so, the multiples of 3 that is the sum of 39 and 42 is 81.