Based on the number of gallons of milk that the Martin family uses in 3 days, the rate that they drink milk is 1/6 gallons of milk per day
The rate can be found in terms of a single unit of the relevant measure. For instance, in this case, the rate would be in terms of a single day which means we are to find the milk consumption of the Martin family per day.
The Martin Family drinks 1/2 gallons every 3 days so the number of gallons of milk drank per day is:
= Number of gallons / Number of days
= 1/2 / 3 days
= 1/2 x 1/3
= 1/6 gallons of milk per day
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