math

tonya and lauren are designing a soccer uniform. They want 2 colors on the shirt. the choices are green, orange, yellow, purple, blue and silver. How many ways can they choose 2 colors?

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  1. 6C2=6!/(6-2!)2!=6!/4!2!=6X5X4X3X2/4X3X2X2=(cross out 4x3x2 on the top and bottom)=30/2=15

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  2. How many colors can green orange yellow purple blue and silver go in

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