Answer:
A = 800
B = 700
Explanation:
to find A
196.3 rounded is 200
238.89 rounded is 200
384.92 rounded is 400
Add 200, 200 and 400 together to get 800
to find B
329.11 rounded is 300
288.06 rounded is 300
106.4 rounded is 100
Add 300, 300 and 100 together to get 700