A temperature scale has been defined where 11.1 degrees is the freezing point of water and 492 is the boiling point of water.
convert 9.98 degrees C to these new deg X.
here,
the melting point , Pm = 11.1 degree
the boiling point , Pb = 492 degree
for any scale
(P - metling point)/(steam point - melting point) = (C - metling point)/(steam point - melting point)
(P - 11.1)/(492 - 11.1) = (9.98 - 0)/(100 - 0)
P = 59.1 degrees
the reading in this new scale is 59.1 degree
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