Melissa and Thomas both solved the same problem using different methods.
Melissa
Thomas
107
12 1784
1784
-1200
584
100
-12
-480
104
40
8
-0
84
- 96
8
-84
0
8
148 R8
Who solved the problem incorrectly and where did they first make their mistake?
O A. Melissa because 12 x 7 is 74.
O B. Thomas because 12 x 40 is 400.
о
C. Melissa because she did not subtract 12 from 17.
O
D.
Thomas because his answer has a remainder.