Kevin's Scribepost Sept.24/09

5. The piano that Sara, Ann, and Min use is
available for 40 h of practice every week.
The graphs show how they divide the
practice time.

a) What information does each graph
provide ?


The circle graph shows
the percent of time out of a total of 40 h that each person practices each week. The bar graph shows the number of hours of practice each person does each week.

b)Write and answer one question about
the data that can be answered from the
circle graph.


“Which two people together use 75% of the practice time?”
Min and Ann together use 75% of the practice time.

c)Write and answer one question about
the data that can be answered from the
bar graph.


“How much longer does Ann spend practicing than Sara each
week?” Ann spends 6 h more practicing than Sara each
week.