Fabiola’s dog is 5 pounds heavier than one-third of the weight of Luisa’s dog. Fabiola’s dog weighs 23 pounds. Use the diagram to write an equation to represent the dogs’ weights. Let f represent the weight of Luisa’s dog.

A long rectangle is the top section. 2 smaller rectangles are the bottom section.

The top section represents .
The bottom section represents .
The equation is .