Answer:
54%
Step-by-step explanation:
total students are 50
20+7 scored at least 81 = 27
27/50=54%
Answer:
Light
Step-by-step explanation:
He is below the standard deviation limits for average or normal.
-30 is the answer for your question
Answer:
225
Step-by-step explanation:
i used a calculater and did 90 divided by .40
