A restaurant did a survey among 100 customers to find their food preferences. The customers were asked about their preferences f
or chocolate cake or cheesecake. Out of the total 50 people who liked chocolate cake, 15 also liked cheesecake. There were 25 people who liked cheesecake. Part A: Summarize the data by writing the values that the letters A to I in the table below represent.
Like chocolate cake Do not like chocolate cake Total
Like cheesecake A D G
Do not like cheesecake B E H
Total C F I
Part B: What percentage of the survey respondents did not like either chocolate cake or cheesecake?
Part C: Do the survey results reveal a greater dislike for chocolate cake or cheesecake? Justify your answer.
We know that the domain is actually the number of rolls
that she gets because it is the input variable in the equation f (r) = 40 r + 26. The number of rolls that
she can get can never be a negative number nor a zero nor a decimal number.
However she can only get up to 10 rolls. Therefore the answer is:
