Answer:
YOU JUST SID IT
Step-by-step explanation:

there are 300 students in the high school.
hope this helps
Answer:
31
Step-by-step explanation:
First of,
or, in probability is subtraction and not means you shouldn't use green (therefore leaving you with yellow and red)
Red = 42
Yellow = 20
P(Yellow or Not Green) = 
⁘
= 
Hence, 31
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