The expression 12 + 3 + 5 + 6 is rewrite as 26. The original problem will be 26.
What is Algebra?
The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
Pilar wanted to use estimation to solve a decimal addition problem.
She correctly used estimation to rewrite the problem as 12 + 3 + 5 + 6.
Then the original problem will be
⇒ 12 + 3 + 5 + 6
⇒ 26
More about the Algebra link is given below.
https://brainly.com/question/953809
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