Rose worked the following problem incorrectly.

Part 1) In which line was the mistake made?
Part 2) Show your work and give the correct answer.

Line 1 30 ÷ 5(3 − 1) − 4
Line 2 30 ÷ 5(2) − 4
Line 3 30 ÷ 10 − 4
Line 4 3 − 4
Line 5 −1

Question

Rose worked the following problem incorrectly.

Part 1) In which line was the mistake made?
Part 2) Show your work and give the correct answer.

Line 1	30 ÷ 5(3 − 1) − 4
Line 2	30 ÷ 5(2) − 4
Line 3	30 ÷ 10 − 4
Line 4	3 − 4
Line 5	−1

anonymous · Answer

I don't make mistakes.
Line 3
Use PEMDAS
Line 1	30 ÷ 5(3 − 1) − 4
Line 2	30 ÷ 5(2) − 4
Line 3	6(2) - 4
Line 4	12 − 4
Line 5	8