Sophie records the total number of cans of cat food
she uses after different numbers of days. She wants
to know if the number of cans of cat food she uses is
proportional to the number of days.
1. Complete the table.
Number of Days (x)
Number of Cans (y)
Number of Cans (y)
Number of Days (x)
63
3
6
4
= 2
8
After 3 days - 6 cans
After 4 days - 8 cans
After 9 days 18 cans
9
18
-7
2. Is the number of cans of cat food used proportional to the number of
days? Explain.
-
3. How many cans of cat food will Sophie use after 12 days?