The vintage movie posters and the 2 rock posters could be priced the same, $8.
8 x 4 = 32.
the rap poster could be $6, but with the half-off coupon it comes to $3
32 + 3 = 35
assuming the gift card covers the total cost, this reasoning is correct.
Alice Binney invented them.
The answer is one kilogram. one kilogram is about the same as 2 pounds, while one gram is less than an ounce.
Hope this helps!