First we convert percentage to a decimal:
[tex]30\%= \cfrac{30}{100}= \cfrac{3}{10}[/tex]
Then we multiply the decimal and a number:
[tex]\cfrac{3}{10}\cdot260=\cfrac{3\cdot\not\!\!\!260^\ {26}}{\not\!\!10}=3\cdot26= \boxed{78}[/tex]
Answer:
There were 78 visitors from China.