Meredith is purchasing a new toilet for
her home. toilet a costs $149 and uses
approximately 380 gallons of water per
month. toilet b costs $169 and uses
approximately 300 gallons of water per
month. if water costs $2.75 per 1000
gallons, write a system of equations
that models this situation. how long
will it take for toilet b to be more cost
effective?