Question

The sum of three numbers is 18. The sum of the first number is 15,and the first number is 3 times the third number. Find the number?

Answer 1

you have to find the third number, right?

Answer 2

what do you mean the sum of the first number is 15 ?

Answer 3

I think you might have written this wrong @skoonz

Answer 4

a possible solution is 9,6,3. the first number is three times the third number. The sum of the first two numbers is 15, and the sum of all three of them is 18.