Mary, Amy, and Kim babysit. Last week, Kim earned 7.50 dollars more than Mary, and Amy earned twice as much as Kim. If Mary earned 12.80 dollars, how much did Amy and Kim earn ​

Respuesta :

Answer:

Kim earned $20.30 and Amy earned $40.60

Step-by-step explanation:

Im just built different

Answer: Kim has 20.30 Amy has 40.60

Step-by-step explanation: