Question

x is a positive integer such that its digits can only be 3,4,5,6 . x contains at least one
copy of each of these four digits. The sum of the digits of x is 900 and the sum of the
digits of 2x is also 900. How many digits are there in the maximum value of x?

Answer 1

Answer:

Step-by-step explanation:

i dont know i am still 6th class lol