Try doing opposite fence on the = signs opposite fence example +=-
Answer:
It is Associative property :))
Step-by-step explanation:
A' : -1, 3
B': 1, 2
C': 1, 5
It is 18/20 and in simplest form it is 9/10.
Steps:
1.You have to add all the shirts, 2+7+11. This is 20, this will become your denominator
2. See what portion is NOT BLACK, the non black at 7 and 11, once you add these it becomes 18. 18 is now your numerator.
3. You now have the fraction 18/20 which you can simplify into 9/10
Hope this helps :)
