Let's define the following
[tex]x\text{ = Number of plays}[/tex][tex]y\text{ = Total number of yards gained}[/tex]Then the expression would be:
[tex]y=7x[/tex]For x = 2:
[tex]y=7\cdot2\rightarrow y=14\text{ yards}[/tex]The total number of yards gained is 14
