Question

The table shows that the number of miles driven by Sandra is directly proportional tothe number of gallons used.GASOLINE USAGENumber ofGallons UsedNumber ofMiles Driven51545122.536751,102.5What is the constant of proportionality for this relationship?A 0.5B315СD24.5O AOBСO

Answer 1

the constant of proportionality is:

`\begin{gathered} y=kx \\ so, \\ k=(y)/(x) \end{gathered}`

therefore:

`(122.5)/(5)=(367.5)/(15)=(1102.5)/(45)=24.5`

answer: D