x = hundreds digit
y = tens digit
z = ones digit
x = z
X + Z + 8
2X + 8
X = 4 = Z
Y = Z -2= 4 -2 = 2
Answer: 424
804
The greatest 4-digit number with no repeated digits is... 9876
81
There is no such number. If the four digits are even, the entire number is even, not odd.
It is 4/9
I am a three digit number. all of my digit is multiples of 2. my hundreds digit is the lowest even number. the sum of my digits is 16. the units digit is the same as the difference between my hundreds and tens digits.
804
If the number formed by the last three digits is divisible by 8. This requires that: if the digit in the hundreds place is even, the last two digits must form a number divisible by 8 and if the digit in the hundreds place is odd, the last two digits must form a number divisible by 4 but not by 8.
The greatest 4-digit number with no repeated digits is... 9876
81
There is no such number. If the four digits are even, the entire number is even, not odd.
99999999
754 Piece of cake!
It is 4/9
26.
98,764
987,654