The first one is: n=39
Reduce the fraction with 8
1/2=n/78
Simplify the equation using cross-multiplication
78=2n
Swap the sides of the equation
2n=78
Divide both sides of the equation by 2
Final answer: n=39
Second one: 125/25=60/x
Reduce the fraction with 25
5=60/x multiply both sides of the equation by x, 5x=60, Divide both sides of the equation by 5, final answer: x=12