I'm probably a lot late. I drew a diagram to help me, 0% is equal to $0 and 70% is equal to $245. With this information, I know that 10% is equal to $35. I then can multiply $35 by the percentage that I need. For example, to get 30% I would multiply 3(35) or in this case you need 100% so I would multiply 10(35) to get 350. $350 is the total amount she plans to collect. Sorry if this is confusing I'm not very good at explaining myself. :)
