Q. On an $X$ temperature scale, water freezes at $-125.0^{\circ} X$ and boils at $375.0^{\circ} X .$ On a $Y$ temperature scale, water freezes at $-70.0^{\circ} Y$ and boils at $-30.0^{\circ} Y$. The value of temperature on $X$ -scale equal to the temperature of $50.0^{\circ} Y$ on $Y$ -scale is:
Thermal Properties of Matter
Solution: