Answer:
There are 355.5 milligrams of substance there in one bottle
Step-by-step explanation:
Given as :
One bottle = 237 ml
For every 20 ml . there are 30 mg of substance
∵ For every 20 ml there are 30 mg of substance
Then , For 1 ml there are [tex]\frac{30}{20}[/tex] mg of substance
∴ For, 237 ml there are [tex]\frac{30}{20}[/tex] × 237 mg of substance
Or, For, 237 ml there are 355.5 mg of substance
Hence There are 355.5 milligrams of substance there in one bottle Answer
