Answer:
4300 times 0.03 = 129 (3 percent of 4300)
3040 times 0.20 = 608 (20 percent of 3040)
to find the percentage decreased from total:
4300 + 3040 = 7340
129 + 608 = 737
737/7340 = about 0.10
Step-by-step explanation:
i think the answer would be 0.10 or 10%
not completely sure though..