# The average IQ of 4 people is 110. If three of these people each have an IQ of 105, what is the IQ of the fourth person ?

(1) Answers

(105+105+105+x)/4=110 multiply both sides by 4 105+105+105+x=440 315+x=440 x=125

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(1) Answers

(105+105+105+x)/4=110 multiply both sides by 4 105+105+105+x=440 315+x=440 x=125

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