311/357 100 = 87.1% The answer is still wrong?

Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. A pollster contacts 75 people in the 18 21 age bracket and finds that 64 of them respond and If refuse to respond. When 282 people in the 22-29 age bracket are contacted, 253 respond and 29 refuse to respond. Assume that I of the 35/ people Is randomly selected. Find the probability of getting someone in the 22-29 age bracket or someone who does not respond. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "* symbol. P(22-29 or does not respond) (Hint: It might be helpful to organize the data into a table first.)