Answer :
Part A = She incorrectly add 1 (4/4) with 3/4, so instead of getting 7/4 she got 8/4.
Part B=She needs 28/4 (7) cups for 4 batches because 4/1x7/4=28/4.
Part B=She needs 28/4 (7) cups for 4 batches because 4/1x7/4=28/4.
I did the math to figure out how many cups are needed hopefully this helps
