Question 45
Elaine uses each of the digits $1$ to $8$ and writes down two $4$-digit numbers.
a. If the sum of these numbers is the largest possible, what is their sum?
b. If the sum of these numbers is the least possible, what is their minimum value?
a. If the sum of these numbers is the largest possible, what is their sum?
b. If the sum of these numbers is the least possible, what is their minimum value?