5/8 is a mean of the rational number 1/2 and x,if is also the mean of y and 1 show that x-y-0.5=0​

Answers 1

Step-by-step explanation:

Mean is summation of all numbers divided by number of the numbers used

(½+x)/2=⅝ => x=¾

(y+1)/2=⅝ => y=¼

¾-¼-0.5 is 0

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