Question

Cara monitors a snail in her aquarium. She notes that this morning it crawled 1” up the glass. A few hours later it crawled another 2” up the glass. Later, it crawled 4” down the glass. How far is the snail from where it started?

Answer 1

The answer will be 1" down the glass.
According to the question,
It travelled 3" and then 4" down.
Hence, it will be 1" from the original position.

Answer 2

1+2=3

4is going down

so, 4-3 = 1

1 inch crawled down