1 how many pieces were left?
2 what percent of the original pizza remained

Answer:
a) 9 slices
b) 56.25%
Step-by-step explanation:
a) 16 pieces - 4 = 12
12 pieces - 3 = 9
b) 100% - 25 = 75%
75% - 8.75 = 56.25%
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