Answer:
4 bags
Step-by-step explanation:
3 bags would only cover 15 people so the next lowest amount is 4 bags.
Answer:
4 bags of chips
Step-by-step explanation:
1 bag x bags
-----------------= -------------------------
5 people 18 people
using cross products
1 * 18 = 5 * x
18 = 5x
divide by 5
18/5 = x
3 3/5 =x
but we can't buy 3/5 of a bag of chips so we round up
4 bags of chips