The length of the driveway shown on a blueprint is 2 inches. If the actual length of the driveway is 20 ft. what is the scale of the blueprint? A. 1 in. = 1 ft B. 1 in. = 2 ft. C. 1 in. = 10 ft D. 1 in. = 40 ft

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! )