The table shows the number of windows and the number of panes of glass in the windows. Jim predicts that for 15 windows there are 75 panes. Is Jim correct? Use the ratio of windows to panes to explain if
Jim's prediction is correct or incorrect.
Windows
Panes
2.
12
3 4
18 24
5
30
The ratio of panes to windows is the same for all data in the table. The ratio of panes to windows is
panes
12
To find how many panes there are if there are 15 windows, multiply the ratio
windows 2.
of panes to windows by 15. The number of panes there are if there are 15 windows is . Since
Jim's prediction was 75 panes for 15 windows then his prediction was (select)