Sarah visited an art gallery and wanted to buy several paintings, but due to their cost, she decided to buy some postcards of the paintings at a much lower cost. The postcards are
3 inches by 5 inchres, which is the size of the original paintings.
What are the dimensions of the original paintings?

Α. 8 inches by 15 inches

В. 10.5 inches by 17.5 inches

C. 13 inches by 16 inches

D. 21 inches by 35 inches