Answer:
243 trees were saved.
Explanation:
Recycling one metric ton (1000 kg) of corrugated cardboard will save number of trees = 17
Warehouse recycled 14327 kg of cardboard last year. So we have to find the number of trees saved.
To find the number of trees we will use the unitary method.
∵ Recycling 1000 kg of cardboard number of trees saved = 17
∴ Recycling 1 kg cardboard number of trees saved =

∴ 14327 kg cardboard will save the number of trees =

= 243.559
≈ 243 trees
Therefore, 243 trees were saved.