Question

Melvin and Rascal have each created new linear temperature scales. On the Melvin scale, water freezes at 5 degrees Melvin and boils at 45 degrees Melvin. On the Rascal scale, water freezes at 50 degrees Rascal and boils at 110 degrees Rascal. The temperature on the Melvin scale when the temperature reads 74 degrees Rascal is :
a) 11 degrees b) 13 degrees c) 21 degrees
d) 31 degrees e) 41 degrees