Answer:
8 Green shirts
4 Blue shirts
Step-by-step explanation:
Since he has a total of 12 shirts in his closet and they can only be either green or blue and there are 8 more green shirts than blue you just need to subtract 8 from 12 to find the number of blue shirts.
12 - 8 = 4
3
Common factors : what make up a number (they will be all prime)
6 - 2, 3
9 - 3,3
the common factor is three (its what they have in common)
Answer: y= 12x +40