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

Answer 1

Answer: it is not line 2. The 16 comes from 4^2 which is 4.4=16. And the correct one is line 4, since it supposed to divide 42 by 5 and add the result to 16

Explanation:

Answer 2

it's line2, she replaced 42 with 16 for some reason..