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# The flowers for mother

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How many flowers will she give to her mother, if all of them except two are roses, all of them except two are tulips, and all of them except two are daisies?

suppose,

x roses:

y tulips:

z daisies:

x+y+z-2=x -> y+z=2

x+y+z-2=y -> y+z=2

x+y+z-2=z -> x+y=2

2(x+y+z)=6

x+y+z=3.