Answer:
2.36 gallons is needed for 20 fl oz.
Explanation:
Given:
If 50.9 oz of powder is needed for 6 gallons.
Now, to find the gallons is needed for 20 oz:
Let the gallons needed for 20 oz be
.
Now, by using cross multiplication method we solve:
As given, 60 gallons is equivalent to 50.9 oz.
Thus,
gallons is equivalent to 20 oz.
By cross multiplying we get:
⇒
Dividing both sides by 50.9 we get:
⇒
⇒
Therefore, 2.36 gallons is needed for 20 fl oz.