A trainer gives his horse, Caballo, 7 gallons of water every day from a 57 - gallon container. How many days will Caballo receive his full portion of water from the container? On which number day will the trainer need to refill the container of water?
The trainer gives his horse, Caballo water 7 gallons of water a day out of a 57 gallon container, so for eight days the horse gets his full portion of water, on day 9 the trainer must add more water to the container.
