What is the largest four digit number such that the second digit is one fourth of the third digit and the third digit is twice the first digit and the last digit is the same as the first digit?

We have the relationship h = 1/3t, t = 1/3o, where h represents the hundred's digit, t represents the ten's digit, and o represents the unit's digit of the number. By substitution we get that h =...

1155

208

216.

The number is 84. Assign the digits in the number the letters a and b. GIVEN: a + b = 12 GIVEN: a = 2bSolve for b, then solve for a. 2b + b = 12 3b = 12 b = 4a = 2(4) = 8