Question

Rahul simplified an expression. His work is shown below.

7 (8.5 minus 1.5) + 8 divided by 2
Step 1
7 (7) + 8 divided by 2
Step 2
49 + 8 divided by 2
Step 3
57 divided by 2
Step 4
28.5


Where did Rahul make his first mistake?
step 1
step 2
step 3
step 4

Answer 1

mistake is in step 4. he shouldn't have added first

Answer 2

Explanation:

he made a mistake in step 3 because you not supposed to add that value behind that division

and you divide first