Petri did the following problem but got the wrong answer. She needs to correct her mistake and turn the problem back in.
(5 - 3) 2 : 3 · 7 + 1
25 - 9 : 3 · 7 + 1
25 - 3 · 7 + 1
25 - 21 + 1
4 + 1
5
What correction does Petri need to make?
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Home » Mathematics » Petri did the following problem but got the wrong answer. She needs to correct her mistake and turn the problem back in. (5 - 3) 2 : 3 · 7 + 1 25 - 9 : 3 · 7 + 1 25 - 3 · 7 + 1 25 - 21 + 1 4 + 1 5 What correction does Petri need to make?