Dahila bought Granny Smith and Macintosh apples at the grocery store. The Granny Smith apples were $1.35 each if you bought 6. Find the cost of each Macintosh apple if the total cost is $15 and she bought 6 of each.

The Granny Smith apples were $1.35 each if bought in quantities of 6, so Dahila spent 1.35*2 = $<<1.35*2=2.70>>2.70

She spent $15 on apples and the Granny Smith apples cost $2.70, so the Macintosh apples cost 15-2.70 = $<<15-2.70=12.30>>12.30
She bought 6 of each so each Macintosh apple cost 12.30/6 = $<<12.30/6=2.05>>2.05. Answer: \boxed{2.05}.