Questions
Lesson 45
Julie Ann frequently eats at fast-food restaurants. She used
the Internet to find the number of grams of fat in each of
these items at one popular restaurant. She determined that
her daily allowance of fat grams should not exceed 65.
- Suppose she eats a chicken sandwich.
Write a fraction in simplest form to show what portion of
her daily allowance of fat grams the sandwich represents.
- Select three different items in
the table such that the total number of fat grams is less
than 3/4 of her daily allowance of grams of fat.
- Is it possible to find a combination
of the foods in the table that would represent exactly 65
grams of fat? If so, list the combination. (Any food can
be used more than once.)
Lesson 58
A certain fastfood restaurant serves sandwiches with the
number of calories shown in the table. In parts a and b, round
answers to the nearest whole number, when necessary.
- Find the mean, median, and mode
of the calories in these six sandwiches.
- Suppose the restaurant wants customers
to think that their sandwiches are very low in calories.
Which measure of central tendency would the restaurant prefer
to use in their advertisements? Explain your reasoning.
Lesson 67
A particular doctor advises that teenagers should have no more
than 2400 milligrams of sodium in their diet per day. The following
table shows the sodium content of several items at a popular
restaurant. In parts a and b, round answers to the nearest whole
percent, when necessary.
- What percent of the daily allowance
of sodium is represented by one taco salad?
- What item contains about 14% of
the daily allowance of sodium?
- Name three items from this menu
such that they contain about 162% of the daily allowance
of sodium.