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Data Analysis (Pri-5)

/ Average Innova Primary School / Homework (2018)
The average of 8 numbers is 42.5 The average of the first 3 numbers is 37.2. The sum of the fourth and fifth number is 80.2. Find the total of the last 3 numbers. Ans:
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October 17, 2018
 
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Total of 8 numbers = 8 × 42.5 = 340Total of 8 numbers = ( 3 × 37.2 ) + 80.2 + ( Total of last 3 no )( 3 × 37.2 ) + 80.2 + ( Total of last 3 no ) = 340( Total of last 3 no ) = 148.2  (ans)
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October 17, 2018
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