Answer:
5/12 is the answer.
Step-by-step explanation:
Fraction which are red = number of red blocks / total number of blocks.
b = -30
-b/5 - 27 = -21
~Add 27 to both sides
-1/5b = 6
~Multiply -5 to both sides
Best of Luck!
3.1
5 x5 =25
25+3=28
the first one is 37
the second one is 36
the third one is 27
