Originally Posted by connie_1936
the yardage must include the backing and binding.
No just the binding. I called shop owner and she said instructor missed calculated black which should be 4.5 not 7.5 but still comes out to around 13 yards. I'm doing a few blocks then seeing what I think. Thank you all for the advice. I am mainly taking class so I can learn paperpiecing to do some of the Judy Neimeyer patterns.