If you remove the blue skirt and yellow blouse, there are 2*5 = 10 outfits
So that means she really only has 11 outfits
Or, 3*6 - 5 - 2 = 11
Rocío has 3 miniskirts and 6 blouses. How many will she be able to wear if she must always wear the blue miniskirt with the yellow blouse?
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