Answer: Sorry I don't know the answer but I recommend an app that will help you is called Mathpapa is really helpful and have helped me get A on test and homework
Step-by-step explanation: is htis one https://www.mathpapa.com/algebra-calculator.html
Answer:
the first one is no it's nonproportional
and the second one it yes its proportional
200 is the answer i know this because 40%of 200 is 80
