©assessment practice
clara's typing rate
11. ashton, alexa, and clara want to know who types the fastest.
the equation y = 39x models the rate at which ashton can type,
where y is the number of words typed and x is the time in minutes.
the table shows the relationship between words typed and
minutes for alexa. the graph shows the same relationship for
clara. who types the fastest?
alexa's typing rate
minutes 2 3 4 5
words typed 78 117 156 195
words typed
0
2
8
4 6
time (min)