Question

5/11=u/12
Solve for u please

Answer 1

 5         u

 ---  =   ----  cross multiply

 11         12

(5) (12) = (11)(u)

60  = 11u

/11      /11  

60/11 = u

Answer 2

$\dfrac{5}{11}=\dfrac{u}{12}\\\\11u=60\\\\u=\dfrac{60}{11}$