A drug trial had 360 participants A survey was taken to determine how many had nausea as a side effect and how many had drowsiness as a side effect The Venn diagram below shows the results Each number gives the number of participants who fall into that Venn diagram category All participants in the survey Had drowsiness Had nausea 107 86 99 68 a How many of the participants did not have nausea participants b How many of the participants had nausea or drowsiness or both participants c How many of the participants had nausea but did not have drowsiness participants