Sophia’s dad paid $18.70 for 8.5 gallons of gas at the super gas mart. What is the cost of one gallon of gas and how much would it cost to also fill a 5 gallon container for his lawnmower

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13