F it rose 10% that means that it is now worth 110% of what it was a year ago. So set up an equation: 297 = 110% of x297 = 1.1 x270 = x So it was worth $270 a year ago.
Answer:
sorry i don't really get this cause the way you explained it maybe in the comment section say it again and i might get it when you say it again.
In step 1, Jim used the associative property
