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?
A) She needs to multiply 3 times 7 before she divides.
B) She needs to change 25 to 10.
C) She needs to add before she multiplies.
D)She needs to subtract 5 - 3 first.
PLEASE HELP!!!