The number of batches is 4.
What is the unitary method?
When a problem arises if 4 is required for 2 of these things then how many things does 20 require?
We use the unitary method to solve the problem where we find how much is required for one thing and then multiply it by the required.
Solving the given problem.
1/6 tub of peanut butter is used for one batch of cookies.
2/3 of it was used for the whole day.
So to find the total number of batches we divide the total tub used by the amount of tub used for one batch of cookies hence = 2/3/(1/6) = 4
Hence the answer to the given problem is 4.
Learn more about the Unitary method here
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