Respuesta :

Answer:

125%

Step-by-step explanation:

so you are increasing by $10, and $10 is 25% of $40, so the percent change is 125%

Answer: 20%

Step-by-step explanation: 20% because 50$ is 100% that means 40$ is 80%, subtract 100 from 80 and you get 20% which is 10$