5% of 60 dollars is 3 dollars.
If the dresses are chosen at random a probability tree can be constructed showing the probabilities of the various combinations that are possible. It shows the total probability of choosing a black, then white, or a white, then black dress is 1/9.
Answer: 8,762.1 . The nearest tenth of a pound should be 2, the decimal throwing me off
Answer:
80
Step-by-step explanation:


Some symbols are missing. I'm assuming you meant to put in a horseshoe symbol like so

If so, then the contrapositive of that would be

which is the final answer.
The tilde sign

means "not" so writing

means "not q" which is the complete opposite of q.