Answer:
289.8.
Explanation:
Let the number = x
Then, it implies that:
[tex]88\%\text{ of }x=255[/tex]Next, solve for x:
[tex]\begin{gathered} \frac{88}{100}\times x=255 \\ 88x=25500 \\ x=\frac{25500}{88} \\ x=289.8 \end{gathered}[/tex]The number is 289.8 to the nearest tenth.