5. Dwight shoveled the snow from his neighbor's driveway and earned $13. Then he shoveled his grandparents' driveway and earned another $20.
Are the numbers 13 and 20 integers?
Yes, because every number is an integer.
No, because only negative numbers are integers.
No, because integers include the number 0, and that number is not in this problem.
O Yes, because integers are the whole numbers and their opposites. Both 13 and 20 are whole numbers.
