A rain barrel holds 256 ounces of water when full but it has a small hole. The hole causes 2 ounces of water to drip out every hour. Write an equation that describes this situation where x is the number of hours and y is the amount of water left in the barrel.

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

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