Answer: theres really no meaning to it but when the slope is an integer, it means to the rise over run that: the run part of the slope is going to be one.
3:9 and if you reduce it again, 1:3
I'm assuming you meant shirts instead of shorts for the older brother.
1/6 + 3/6 = 4/6
4/6 of the shirts belong to his brothers
(or 2/3 if you simplify the fraction)
Answer: 2/10
Step-by-step explanation: