Amy would have spent $22.5 on her books (assuming you meant $10 total, not $10 per book)
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.
Answer:
SHAMALAMAMOOMOO :) :) :) :) :)
See https://web2.0calc.com/questions/need-help-now_10.
Answer:
-2x+1 ez clappppppppppppppppppppp
