Problem:
Jacob purchased a water plant. While testing, he found that in 1 ml of water, a particular salt content was 0.0078 grams. Find the salt content in 1 ltr of water.
Solution:
Salt content in 1 mil of water = 0.0078 g.
Salt content in 1000 ml of water = 0.0078(1000)
= 7.8 g.