leahlou15
leahlou15 leahlou15
  • 24-03-2021
  • Mathematics
contestada

the question is on the attached image :)

the question is on the attached image class=

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jstrick592
jstrick592 jstrick592
  • 24-03-2021
the mean can be found by adding the two numbers and dividing by 2

let the second number be y

(x + y)/2 = 1/2x + 1

solve for y

multiply each side by 2
x + y = 2(1/2x + 1)
distribute
x + y = x + 2
subtract x on both sides
y = 2

ANSWER: the second number is 2

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