Sandra bought 30 T-shirts at the clothing store. 20% of the T-shirts were blue and half of the T-shirts were black. How many of the T-shirts were neither black nor blue?
So you have 20% of blue and 50% of black. So you have 70% in total that are both blue and black. 100%- 70%= 30% So that means 30% were neither blue or black. Do a proportion 30/100= x/30 30 x 30= 900 900 divided by 100= 9 Answer is 9 shirts are neither blue or black
