Question

PLEASE HELP!!!!!

(Image attached)
Yes, Sophie's work is correct
No, Sophie made a mistake going from Step 1 to Step 2
No, Sophie made a mistake going from Step 2 to Step 3
No, Sophie made a mistake going from Step 3 to Step 4.

Answer 1

yes it is correct i took the test

Answer 2

Sophie made a mistake from from step 3 to step 4.

Explanation:

According to order of operations (PEMDAS), multiplication should be done before adding. In step 3 to 4, Sophie adds 18 + 7, but she should be 7*6 first instead. Therefore, she made a mistake here.

hope this helps! <3