Question

1. The difference of two integers is 78. If greater number is -23, find the smaller one
2. The sum of two integers is -30. If one of the integers is 15, determine the other.​

Answer 1

Answer:

If two 2-digit positive integers have their respective tens digits exchanged, the difference between the pair of integers changes by 4. What is the greatest possible difference between the original pair of integers?

A) 76

B) 80

C) 82

D) 90

E) 94