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Simple Physics Problem?
On a linear X temperature scale, water freezes at -148.0°X and boils at 319.0°X. On a linear Y temperature scale, water freezes at -68.00°Y and boils at -38.00°Y. A temperature of 43.00°Y corresponds to what temperature on the X scale?
1 Answer
- JasanpahafLv 65 years agoFavorite Answer
this is the typical "proportions" questions in the SAT and ACT, to solve set fractions equal to each other.
Since this proportion of scales is found to be linear, you can use the rule of three (as in any other proportions problem):
You want to find the corresponding X value for the given 43ºY, so lets put the X on the top of the fraction:
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