3. Probability The diagram shows a fair spinner in the shape of a rectangular octagon,
The spinner can land on A or B or C
Mare spins the spinner
Write down the probability that the spinner will land on A​

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )