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James adds vitamin drops to his fish tank to keep his fish healthy.

 

If James follows the instructions on the bottle of vitamins, how many capfuls should he add to this 

350-liters fish tank?

 

show you work 

 

-  2 drops per 5 liters

of water

 

- 1 capful = 40 drops

 

 

Pls Help!!!

 Sep 13, 2015
 #1
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Since the fish holds 350 liters of water, it follows that,

 

350/5=70 liters X 2 drops for every 5 liters=140 drops needed for the whole tank.

Since 1 cupful contains 40 drops, the we have this:

140 drops needed for the full tank/40 drops contained in one cup, or,

140/40=3 1/2=3.5 number of cupfuls needed for the full tank.

 Sep 13, 2015

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