Given:
A number is 74% of 58.
To find:
The number.
Solution:
Let the unknown number be n.
The number n is 74% of 58.
[tex]n=\dfrac{74}{100}{58}[/tex]
[tex]n=0.74\times 58[/tex]
[tex]n=42.92[/tex]
The required equation is [tex]n=0.74\times 58[/tex] and the solution (unknown number) is [tex]n=42.92[/tex].
Therefore, the correct option is B.