The cost of each gallon of gas is equal to $2.5 as Mrs. Henry purchased 6.3 gallons of gas for $ 15.75.
As given in the question,
Gas purchased by Mrs. Henry at the cost of 6.3 gallons for $ 15.75.
As per given condition for cost we get,
6.3 gallons = $15.75
⇒ 1 gallon = ($ 15.75 ) / 6.3
⇒ 1 gallon = $ 2.5
Therefore, the cost of each gallon of gas is equal to $2.5 as Mrs. Henry purchased 6.3 gallons of gas for $ 15.75.
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