Jack collected 360 ship models. 40% of them were made by him. If Jack donated 25% of models which he made and donated 50% of models he bought, how many fewer models made by himself were donated than those he bought? fewer models donated made than bought​

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)