You decide to establish a new temperature scale on which the melting point of mercury (-38.9 °c ) is 0 °m, and the boiling point of mercury (356.9 °c) is 100 °m. what would be the boiling point of water in m?

draw x,y axes.

x is deg M

y is deg C

0 of deg M = -38.9degC

100 >>> 356.9

draw st line 0,-38.9 to 100,356.9

slope is 3.95

line eq is degC = 3.95xdegM-38.9

set degC to 100. find degM

degM about 35 for boiling water

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