Cody and sam mowed the yard on saturday. dad told cody to mow 1/4 of the yard. he told sam to mow 1/3 of the remainder of the yard. dad paid each of the boys an equal amount. sam said, "dad, that’s not fair! i had to mow one-third, and cody only mowed one-fourth! " explain to sam the error in his thinking.
draw a picture to support your reasoning.