Math 156

posted by .

two 2-digit numbers have the same digits. Their sum is 77 and their difference is 27. What are the numbers? What stratagey did u use?

  • Math 156 -

    x1 + x2 = 77
    x2 - x1 = 27

    x2 = 27 + x1
    x1 + (27 + x1) = 77
    2 x1 = 50
    x1 = 25
    x2 = 52

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. MATH Trouble

    I have no idea what this problem means: For how many two-digit numbers if the ones digit larger than the tens-digit?
  2. math

    You have 2 digits, 2 numbers, reverse digits and 54 if the difference and the sum of all is 10 I'm not clear what you're asking, could you clarify what the conditions are for us please?
  3. Number Sentence

    In a 4-digit number, the two greatest place-value digits are 2. The sum of the ones and tens digits is 14. What numbers are possible?
  4. Maths

    What are 3 5-digit numbers that have the sum of their digits equal?
  5. Algebra

    Need help plz. Don't really get this "reversing the digits" What is this really called in math language?
  6. Seventh Grade Math

    Use 6 digits from 1 through 7, each once, to make two 3-digit numbers whose sum is 670 and whose difference is 376. Give both 3-digit numbers in your answer. If I knew what I had to do, I could solve this problem. I don't know how …
  7. arithmetic

    How many 2-digit numbers, with tens digit less than units digit, have the sum of digits equal to 3 times the difference?
  8. math

    Make the largest and smallest numbers you can find using the digits: 4,1,7,8,5 and 2. Find their difference and sum. 1. I do not know if I have to use all the digits. 2. If I do not need to use all of the digits won't there be a lot …
  9. math

    While adding ten two-digit numbers the digits of one of the numbers were interchanged. As a result the sum of all the ten numbers increased by a value which was four less than that number. Three times the sum of the digits of the original …
  10. math

    Two 5-digit numbers have the same sum of digits: 2. The largest possible difference between two such numbers has the sum of digits: A 1 B 9 C 18 D 27 E 36

More Similar Questions