math

posted by john

a three digit number has ten digit two greater than the units digit and the hundreds digit one greater than the tens digit. the sum of the tens and the hundreds is three times the units digit. what is the number

  1. bobpursley

    xyz is the number.
    y=2+z
    x=y+1
    x+y=3z

    putting them in matrix form
    0,1,-1,2
    1,-1,0,1
    1,1,-3,0
    subtract 2 from 3
    0,2,-3,-1
    multiply 1 by 2 and subtract from above
    0,2,-2,4
    0,0,-1,-5
    or z=5
    then from 1), y=7 and you can solve for x.

Respond to this Question

First Name

Your Answer

Similar Questions

  1. math

    This is an SAT question of the day that I can't understand. The sum of the digits of a three-digit number is 12. If the hundreds digit is 3 times the tens digit and the tens digit is 1 over 2 the units digit, what is the tens digit …
  2. math

    This is an SAT Question of the Day. The sum of the digits of a three-digit number is 12. If the hundreds digit is 3 times the tens digit and the tens digit is 1 over 2 the units digit, what is the tens digit of the number?
  3. math

    My thousands digit is twice my hundreds digit. The sum of my tens and ones digit is my thousands digit. My hundreds digit is 2 more than my tens digit. My tens digit is greater than 1 and less than 3. What 4 digit number am I?
  4. math

    i have a six digit question my 100 thousands is one less than my ones digit,eight greater than my thousands digit,twice my tens digit and four times my hundreds digit,my ten thousand digit is zero,what number am i
  5. 4th grade

    i am a 5 digit number my tens digit is the sum of my hundreds digit and thousands digit. my tens digit is twice my ones digit.my hundreds digit is 1 more than zero.my thousands digit is seven times my hundreds digit.my ten thousands …
  6. algebra

    what three digit number is less than 300 and the ones digit is 4 times the hundreds digit and the tens digit is 5 more than the hundreds digit and the sum of the digits is 17
  7. Math - Algebra

    What is the linear equation that will represent the second statement in the following problem: "The sum of the digits of a three-digit number is 12. If the hundreds digit is replaced by the tens digit, the tens digit by the units digit, …
  8. Algebra - Math HW HELP!

    1) It is a five-digit whole number. 2) It is a palindrome. 3) Its tens digit is the cube root of a one-digit number. 4) The product of its hundreds digit and its ones digit is 54. 5) The sum of its hundreds digit and its ones digit …
  9. math

    A three- digit number is eleven times the two-digit formed by using the hundreds and the units digit of the three - digit number respectively, in the tens and units place of the two - digit number. If the difference between the digit …
  10. Math

    My hundreds digit is 4 less than my tens digit. My ten thousand digit is 6 greater than my hundreds digit. My thousands digit is 5 less than my ten thousands digit and my ones digit is 6 greater than my hundreds digit. If my tens digit …

More Similar Questions