Question

Danny made a mistake in the following problem.

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

Line 1


21 + 35 ÷ 7 + 6(2)

Line 2


21 + 5 + 6(2)

Line 3


21 + 11(2)

Line 4


21 + 22

Line 5


43

Numerical Answers Expected!

Answer 1

Line 3
since he added which is against the order of opreation rule he was supposed to multiply first then add
again what he was supposed to do is
Line 2:21+5+6(2)
Line 3:21+5+12