Which expression represents the area of triangle ABC in square meters?
24 m
/
40 m
114 m
20 m
37 m

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! )