In a university examination, paul scored 75% in English and 84%in mathematics. What is the minimum percent he should score in politics science if he aims at scoring 75% over all?
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Answer:
66%
Step-by-step explanation:
using average concept,
75+84+x / 3 = 75
75+84+x = 225
x = 225 - 75 - 84 = 66
he has to score 66 percent
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