Help ; - ; it says the answer is wrong

Karl Li asked Oct 26, 2023

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33 votes

Karl Li asked Oct 26, 2023

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28 votes

Answer:

20.6

Explanation:

let Hj be x

(x+ 27.4)/2= 24

x+27.4= 48

x= 20.6

Fspirit answered Nov 1, 2023

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