1.

In a set of four integers, the average of the two smallest integers is 102, the average of tethree smallest integers is 103, the average of all four is 104. Which is the greatest of theintegers?

Answer»

Let the numbers be w,x,y,z such that z is greatest and w is smallestso givenw+x/2=102w+x=204and also w+x+y/3=103w+x+y=309and also w+x+y+z/4=104w+x+y+z=416309+z=416z=416-309=107



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