Vihaan scored 73,84,75,and 80 in four tests.What is the least score he should get in his test if he has to have an average of 80....plzz tell me the answer step bystep
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Mean of marks is 80Therefore, 73+86+78+75+x /5=312+ x /5=80=312+x=400=x=400-312=88 More
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