The best problem-solving strategy for this problem would be to "work backwards" (Option B). Here's why:

1. Start with the final amount of money Brandon has, which is $5.00.
2. Since this amount is half of what he had after buying pencils, that means he had $10.00 after buying pencils.
3. Add the cost of the pencils ($2.50) to the amount he had after buying pencils ($10.00).
4. The total amount is $12.50, which is the amount Brandon had before going to the store.

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The best problem-solving strategy for this problem would be to "work backwards" (Option B). Here's why:

1. Start with the final amount of money Brandon has, which is $5.00.
2. Since this amount is half of what he had after buying pencils, that means he had $10.00 after buying pencils.
3. Add the cost of the pencils ($2.50) to the amount he had after buying pencils ($10.00).
4. The total amount is $12.50, which is the amount Brandon had before going to the store.

Knowee AI · Accepted Answer

The best problem-solving strategy for this problem would be to "work backwards" (Option B). Here's why:

1. Start with the final amount of money Brandon has, which is $5.00.
2. Since this amount is half of what he had after buying pencils, that means he had $10.00 after buying pencils.
3. Add the cost of the pencils ($2.50) to the amount he had after buying pencils ($10.00).
4. The total amount is $12.50, which is the amount Brandon had before going to the store.

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