A metal stays solid at Fahrenheit temp below 1868.5
Determine (in terms of an inequality) those Celsisu temp, for which the metal stays solid. Use the formula
This is what I've got so far:
1868.5 = (9/5)c + 32
multiply by 5
9342.5 = 9c + 160
but then I get lost? Is this even right? Help please....