Katrina drinks 0.5 gallons of water per day. which expression shows how to find the number of cups of water she drinks in a week?

Katrina drinks 56 cups of water in a week.

Step-by-step explanation:

Katrina drinks 0.5 gallons of water per day.

Therefore, number of gallons of water per week = 0.5 × 7 = 3.5 gallons

If gallon = 12 cups

1 gallon =

             =

             = 16 cups

Then 3.5 gallons = 3.5 × 16 cups of water

                            = 56 cups

Katrina drinks 56 cups of water in a week.

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step-by-step explanation: