Question

29. Luke has nine digit cards. He uses five of them to make the largest number he can. He makes

smallest number he can with the the remaining four cards.
Find the difference between the two numbers that Luke makes.
Answer:​

Answer 1

Assuming cards are numbered 1 2 3 4 5 6 7 8 9.

largest number: 98,765

smallest number: 1,234

Difference: 98,765 - 1,234 = 97,531