Please help 1) Julie's car can travel 512 miles on 16 gallons of gasoline. What is the number of miles per gallon?
30
32
32.5
30.2
2) The cost of 50 pounds of pet food is $117.50. What is the cost for one pound of pet food?
$23
$0.43
$2.35
$235

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graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.