The proportion that is feasible to solve for y is given below:
[tex]\frac{RS}{UT}=\frac{NM}{PQ}[/tex]
=>
[tex]\frac{30}{y}=\frac{18}{12}[/tex]
Cross multiply
=>
[tex]y\times18=30\times12[/tex]
[tex]y=\frac{30\times12}{18}[/tex]
=> y=20
The value of y = 20
