harry kept a weather journal for September The sun was shining on 4 out of every 5days on what percent of the days was not shini
2 answers:
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Question attached
Answer:
130
Step-by-step explanation:
Number of students old donors can be calculated from the Pareto chart by adding number of blood donors on the different bars:
Type 0= 50
Type A= 35
Type B =30
Type AB =15
Therefore 50+35+30+15=130 blood donors
