Kellen has a graph showing the number of pencils he has left each week

1 answer

. The graph starts at week 0 with 20 pencils. By week 1, Kellen has 16 pencils left. In week 2, he has 12 pencils left. In week 3, he has 8 pencils left. In week 4, he has 4 pencils left. And finally, by week 5, Kellen has run out of pencils.