Question

The upper and lower fixed points of a faulty
mercury thermometer are 210°F and 34°F
respectively. The correct temperature read by
this thermometer is
1) 22°F
2) 80°F 3) 100°F 4) 122°F​

Answer 1

Explanation:

180F−32=U−LF−L

180F−32=210−34F−34

180F−32=176F−34

45F−32=44F−34

45F−45×34=44F−44×32

45F−44F=1530−1408

F=122℉

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Answer 2

Answer:

122

Explanation:

because upper and lower fixed points are some times equall

because we use formula fixed point