Respuesta :

Answer:

Juan will earn $29.79

Step-by-step explanation:

Juan has 90 dollars in the savings account, and gets 10% interest. So you do 90 * 1.1, which is 99, then do 99 * 1.1, which is 108.9, and then finally you do 108.9 * 1.1 and you get $119.79.