$3.25 per pound of granola and $0.74 per pound of flour are the ratios of the problem. then we can write,
[tex]Total\cos t=3.25g+0.74f[/tex]where g and f the pounds of granola and flour, respectively.
Therefore, the model is:
[tex]C=3.25g+0.74f[/tex]where C denotes the total cost.
