Question

what will be the answer??
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Answer 1

let the second number be x and snaller number be y now from first condition average is 135 so 195+x+y/3=135 by solving this we get x+y=210 and from second condtion x-y=20 solve this two equation you get y=95 which is the smallest number

Answer 2

$x + y + z = 135 \\ z = 195 \\ x + y = 135 \\ x - y = 20 \\ x = 20 + y \\ \\ 20 + y + y = 135 \\ 20 + 2y = 135 \\ 2y = 115 \\ y = 57.5$