Respuesta :

ANSWER: 45.15 divided by 21 is 2.15
EXPLANATION: put your decimal up 21 can’t go into 4 but in 45 2 times 45-42=3 put down your 1 21 goes into 31 one time 31-21 is 10 put down your five 21 can go into 105 5 times 105-105 is zero