Posted by Kris on Tuesday, February 24, 2009 at 7:05pm.
A number has four digits. the sum of the first and last digits is twice the second digit. The second digit is 2 less than the third digit. The last digit is twice the first. Some of the digits are alike. what is the number??

Math  Brandon, Tuesday, February 24, 2009 at 7:22pm
This is a hard one. What helps me is to read each part of the problem carefully. Write the numbers you think on a piece of paper. When you find out if it is wrong put an x next to it. This will narrow down the process.

Math  Kris, Tuesday, February 24, 2009 at 8:20pm
i got the equations from my sister
a+d= 2b
b= c2
d=2a
but what do i do next?
Answer This Question
Related Questions
 Math  i am a four digit number. all of my digits are different. my first digit ...
 Math  A number has 4 digits. The sum of the first and last digit is twice the ...
 math  Find the fourdigit number described by these three clues. 1) The first ...
 maths  what is the four digit number which satisfies these conditions; The last...
 math  this code has five digit 1,2,3,4,5. the first digit plus the second digit...
 math  Find a sixdigit even number containing no zeros and no repeating digits ...
 Math  Solve the mathematical puzzle. Determine the digits of R from these clues...
 math  it is a 3 digit number all the digits are different the first and second ...
 4th grade math  Find the mystery number. It is a 4 digit odd number. All the ...
 math  find the mystery number, it is a 4 digit odd number, all the digits are ...
More Related Questions