Question

Suzie made a mistake in the following problem.

The mistake was made in Line ___. Only input the number of the first incorrect line.


Line 1

7(6) ÷ 5 + 42

Line 2

7(6) ÷ 5 + 16

Line 3

42 ÷ 5 + 16

Line 4

42 ÷ 21

Line 5

2

Numerical Answers Expected!

Answer 1

The correct answer is line 2

Answer 2

Here is the correct step:
7(6)÷5+42
=42÷5+42
=8.4+42
=50.4
We see that Line 2 is incorrect because Line 1 showed us this “ 7(6)÷5+42 " but line 2 show us different expression 7(6)÷5+16. As a result, Line 2 is the final answer. Hope it help!