Mark M. answered • 06/07/15

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m = minutes

George makes 3m flowers

Sue makes 4m flowers

George starts out 15 flowers ahead (5 · 3)

15 + 3m + 4m = 190

15 + 7m =190

7m = 175

m = 25

Sue makes 100 (4 · 25) flowers.

George makes 15 + 75 (3 · 25) or 90 flowers

D.