Question

Q6) The sum of two consecutive multiples of 3 is 21. Find the numbers.

Answer 1

Step-by-step explanation:

let one multiple be x

so the other will be x+3

given sum is 21

x +x+3=21

2x +3=21

2x=21-3

2x=18

x =18/2

x=9

so x=9

x+3=9+3

=12

verifying:

sum should be 21

12+9=21

hope it helps(I am sure that this answer is correct)