You have 3 measuring spoons. Spoon A is filled with 8 tsps of salt. Spoon B and C are both empty; Spoon B can hold 5 tsps and Spoon C can hold 3 tsps. Divide the salt among the spoons so that spoon A and spoon B each have exactly 4 tsps of salt and spoon c is empty.
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To divide the salt among the spoons so that Spoon A and Spoon B each have exactly 4 tsps of salt, and Spoon C is empty, we can follow these steps:
1. Start by transferring 2 tsps of salt from Spoon A to Spoon B. This will leave Spoon A with 6 tsps of salt and Spoon B with 2 tsps of salt.
2. Next, take Spoon B and transfer 2 tsps of salt to Spoon C. This will leave Spoon B empty and Spoon C with 2 tsps of salt.
3. Now, transfer the remaining 4 tsps of salt from Spoon A to Spoon B. This will evenly distribute the salt, leaving both Spoon A and Spoon B with 4 tsps of salt each.
At this point, Spoon C will be empty, and both Spoon A and Spoon B will have exactly 4 tsps of salt, meeting the desired requirements.