Question

Sarah 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 40 ÷ 5(3 − 1) − 4
Line 2 40 ÷ 5(2) − 4
Line 3 40 ÷ 10 − 4
Line 4 4 − 4
Line 5 0

Answer 1

Is It Line 2?

Answer 2

what do you believe the mistake is?

Answer 3

Error In PEMDAS

Answer 4

sure ...but what exactly

Answer 5

Multiplying?

Answer 6

the part where that went from 5(2) to 10?

Answer 7

Yes.

Answer 8

yes...they should have divided first

Answer 9

Yay! I Got It Right!

Answer 10

40 ÷ 5(2)=8*2=16

Answer 11

should't you say then that it is line 3?

Answer 12

line 2 is equal to line 1 but line 3 is not equal to line 2

Answer 13

Ok, So It's Line 3

Answer 14

your reasoning is correct though

Answer 15

so what is it?

Answer 16

line3... whats wrong bout it?

Answer 17

? i need to know what's wrong bout the problem to lol