IDNLearn.com: Where your questions meet expert advice and community support. Ask any question and get a detailed, reliable answer from our community of experts.
Answer:
20% decrease
Step-by-step explanation: Because if you multiply 50,000 by 2 you get 100,000 which would be 100% so you will also multiply 40,000 by 2 80,000 subtract 80,000 from 100,000 and you get 20,000 so its 20%