Francis mixes 3/8 gal of white paint 2 7/8 gal of blue paint and 1 1/4 gal of red paint. how much white paint will francis need to make 7 gal of the same color

Triangle abc was translated 2 untits to the right and 3 units down. write the algebraic rule that describes the translation that was applied to triangle abc to create triangle a'b'c'.