A survey of thirteen-year-olds in the Vancouver area found that 45% of them identified Brandy Melville as their favorite store. The same survey found 45% identified hockey as their favorite sport. 10% of respondents identified hockey as their favorite sport AND identified Brandy Melville as their favorite store. What percentage of survey participants identified Brandy Melville as their favorite store OR hockey as their favorite sport? (Please express your answer as a decimal and round it to the second decimal place.)