Answer:
16
Step-by-step explanation:
10 · 4 = 40
640/40= 16
I believe the answer would be 36.
Hope this helped you. ;}
21+j=55
It says sum, which means to add(+). So you add 21 and j (21+j) and that equals 55 (=55). Then you add all the pieces together and you get 21+j=55
1. D
2. B
3. A
4. B
