10. A carpenter will be using 24″ × 3/8″ handsplit cedar shakes to cover a roof. The shakes will be applied with an average spacing of 1/2″ between shakes, and the weather exposure will be 71/2″. Look at the shake coverage table. According to the information in this table, approximately how many square feet of roof area can be covered by one square of these shakes?
A. 65
B. 85
C. 75
D. 55