Answer:
a real number
Step-by-step explanation: You didn't list the choices- a real number is all positive numbers except 0
He gains 6 Pounds a month, overall he gains 72 pounds in 12 months
70/6 is basically saying "divide 70 by 6". So to get to a mixed numer, thats what you have to do.
70/6=11.666666...
(.666666..... is 2/3 as a fraction)
The answer is 11 2/3.
hope i helped!! :))