Posted by **oscar** on Wednesday, September 30, 2009 at 7:50pm.

write two 2-digit numbers using each of the digits 1, 2, 3, and 4 only once. then find the sum of the numbers. what are the greatest and least possible sums that can be in made in this way?

so far for my greatest, I have 41 and 32 = 73

and 14 and 23 = 37 for my lowest.

can anyone tell me if i got it right?

- math -
**jim**, Wednesday, September 30, 2009 at 7:55pm
Yes. You want the two big digits in the tens place for the big one, and you want them in the units place for the small one. So

41 + 32, or 42 + 31, and

14 + 23 or 13 + 24

are the best you can do.

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