Elisa has 24 black and white photographs and 72 photographs in color. She is arranging the photographs in an album and wants each page to contain the same combination of color and black and white phot

Elisa has 24 black and white photographs and 72 photographs in color. She is arranging the photographs in an album and wants each page to contain the same combination of color and black and white photographs. What is the greatest number of pages that Elisa can fill with photographs? and how many of each type of pohotograph will elisa place on each album page without any photographs being left over ?