The numerator is 5 (and the denominator is 10).
Divide all the ratios and compare:
8/12 = 0.666
15/10 = 1.5
2/3 = 0.666
6/9 = 0.666
The one that isn't equivalent is 15 over 10
It equals 23 degrees Fahrenheit. So -5c=23f
Do you know What topic this is ?
There is no solution. Here is the explanation with both of the methods :)