Respuesta :

Cortes33
substitute the value of c in the equation;
[tex] \frac{7}{8} * \frac{8}{1} [/tex] cross simplify and your new fractions are;

[tex] \frac{7}{1} * \frac{1}{1} [/tex] = 
7 × 1 = 7
1 × 1 = 1 
So your final answer is 7/1 or simply just 7