I believe the answer is C - 60 inches. 60 x 2 = 120, which is both lengths, and since he width is half the length, then 30 x 2 = 60. So 130 (length) + 60 (width) = 180. So 60 inches would be the maximum length for both sides.
You add $5.38 & $15.95, which equals $21.33. Then subtract $21.33 from $38.12. Your answer is $16.79. That's how much Shane spent on the book.
1/7 * 1/2 = 1/14
1/2 because there is a 50/50% chance its either heads or tails
Rented storefront and employee wages, because they are not making any money to pay off these two costs