Sara bought 30 T-shirts at a clothing store,20% of the T-shirts were blue and 1/2 of the T-shirts were black.The rest of the T-s
hirts were white.How many white T-shirts did Sara buy?
1 answer:
Black = 15
blue= 6
15 + 6 = 21
30-21 = 9
white t shirts = 9
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