Fred and his brother are both taking driving trips. Fred traveled 409 miles and used 11 gallons of gas. His brother traveled 523 miles and used 13 gallons of gas. 1)Fred told his brother that he gets better gas mileage.Do you agree with Fred? Justify your response by using mathematical language and show any necessary computional work. 2)Is the relationship between miles driven and gas used proportional ? Use a graph below to justify your response.

Question

Fred and his brother are both taking driving trips. Fred traveled 409 miles and used 11 gallons of gas. His brother traveled 523 miles and used 13 gallons of gas.  1)Fred told his brother that he gets better gas mileage.Do you agree with Fred? Justify your response by using mathematical language and show any necessary computional work. 2)Is the relationship between miles driven and gas used proportional ? Use a graph below to justify your response.

anonymous · Answer

Please help!