Question

Suzie 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 50 ÷ 5(3 − 1) − 4
Line 2 50 ÷ 5(2) − 4
Line 3 50 ÷ 10 − 4
Line 4 5 – 4
Line 5 1

Answer 1

Where do you think the mistake was made and why?

Answer 2

i think it was in line 3 because she multiplied first instead of dividing

Answer 3

That's correct. You know PEMDAS works has to be applied from left to right:\[50\div5\cdot(3-1)-4\\50\div5\cdot2-4\\10\cdot2-4\\20-4\\16\]

Answer 4

ok thank u!! :)

Answer 5

is the answer 16??

Answer 6

yep

Answer 7

ok thanks