Answer:
x=15
Step-by-step explanation:
[tex]\frac{5}{4}=\frac{x}{12}\\[/tex]
5/4 is a proportion that is equivalent to x/12, like how 1/4 is proportional to 25/100. Cross multiply to find the missing values.
➡[tex]5*12=4*x[/tex]
➡[tex]60=4x[/tex]
➡[tex]\frac{60}{4} =x[/tex]
➡[tex]x=15[/tex]
