Answer:
Proportion states that the two fractions or ratios are equal.
As per the given statement: A leaky faucet is losing water and is filling a 8-gallon bucket every 25 hours.
Let x represents the number of gallons of water that faucet leak in 13 hours.
then by definition of proportion;

By cross multiply we get;

Simplify:

Divide both sides by 25 we get;

Simplify:
x = 4.16
Therefore, 4.16 number of gallons of water will the faucet leak in 13 hours