Encontrar tres numeros consecutivos que sumen 36

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.