Three numbers that add up to a multiple of ten could be 2, 3, and 5. Their sum is 10, which is a multiple of ten. Other combinations, such as 1, 4, and 5 (which also sum to 10) or 7, 2, and 1 (which sum to 10), work as well. The key is that the total must end in a zero.
79
That doesn't work. The number has to be divisible by three. Any three consecutive numbers add up to a multiple of three.
1, 2 and 7.
You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).
They are: 17+23+29 = 69
Amongst others they can be 2+3+15 = 20 which is a multiple of 10
EVERY three consecutive numbers add to a multiple of 3: Proof: numbers are n, n + 1 and n + 2. The total is 3n + 3 or 3(n + 1) This means that for any three consecutive numbers, the total is 3 times the middle number.
79
Well, darling, the numbers 11, 12, and 17 add up to 40, which is a multiple of 10. So, there you have it, sweetie, those three numbers fit the bill. Now go forth and impress someone with your math skills, honey!
76 + 77 + 78 three numbers in a row
That doesn't work. The number has to be divisible by three. Any three consecutive numbers add up to a multiple of three.
1, 2 and 7.
Only if they are odd.
You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).
They are: 17+23+29 = 69
There are multiple ways to add three numbers together to get a sum of 17. One possible combination is 5 + 6 + 6, another is 9 + 4 + 4, and yet another is 7 + 5 + 5.
The consecutive numbers that add up to 36 are 11, 12, and 13. When you add these three numbers together (11 + 12 + 13), the sum is 36.