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The chemical diacetyl is a natural flavoring that gives the taste of butter'. A human can distinguish the butter flavor with 5 ppb (parts per billion). One gallon is approximately
75,000 drops of water. How many gallons of water are equivalent to one billion drops?
a) 13,000
b) 15,000
c) 17,000
d) 19,000

Respuesta :

Answer:

Amount of water are equivalent = 15,000

Step-by-step explanation:

Given:

5 ppb (parts per billion)

Drop of water = 75,000

Find:

How many gallons of water are equivalent

Computation:

Amount of water are equivalent = Drop of water / Parts per billion

Amount of water are equivalent = 75,000 / 5

Amount of water are equivalent = 15,000

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