The average of seven numbers is 60 . Three of these numbers are 50 , 35 , and 47. Find the average of the others 7 numbers
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The average of seven numbers=60.
Total=(no. of numbers)(average)=7(60)=420 subtract 50,35,47=>420-50-35-47=
288.
Average of the remaining 4 numbers=288/4=72.
Total=(no. of numbers)(average)=7(60)=420 subtract 50,35,47=>420-50-35-47=
288.
Average of the remaining 4 numbers=288/4=72.
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72 is the correct answer
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