Question

Haj mixes gallon of water with every 1 cup of a laundry powder. How many gallons of water does he mix with 7 cups of laundry powder?
between 3 and 4 gallons
between 4 and 5 gallons
between 5 and 6 gallons
between 6 and 7 gallons

Answer 1

Between 6 and 7

1 cup per 1 gallon 
 1x7 gallons is 7

Answer 2

Between 6 and 7 gallons of water is the correct answer

1 gallon of water = 1 cup of laundry powder

1 gallon of water multiplied by 7 cups of laundry powered = 7