Question

mr. ko buys water bottles for a class trip. he needs 20 water bottles, and he buys them in packs of 8. how many packs does mr. ko need to buy?
number of packs: 1, 2, 3, 4
number of water bottles: 8, 16, 24, 32
mr. ko needs to buy 32 packs.

Explanation:

Step1: Identify required bottle count

Target: 20 water bottles

Step2: Check pack quantities

1 pack: 8, 2 packs: 16, 3 packs: 24

Step3: Select sufficient pack count

16 < 20, so 2 packs are too few; 24 ≥ 20, so 3 packs meet the need.

Answer:

Mr. Ko needs to buy 3 packs.