HELP PLEASE






Nathan and Steven stacked boxes on a shelf. Nathan lifted 13 boxes and Steven lifted 15 boxes. The boxes that Nathan lifted each weighed 12 lb more than the boxes Steven lifted.

Let s represent the weight of the boxes that Steven lifted.

What expression represents the total number of pounds Nathan lifted?

A. 13(s+12)

B. s + 12

C. 15(s+12)

D. 12(s+13)