Respuesta :

valeskahidalgo2008

Answer:

11.5

Step-by-step explanation:

i hope u get it right!

ricchad

Answer:

b.   11.25

Step-by-step explanation:

its a ratio and proportion

x  =  12.5

9        10            do cross multiply

10 (x) = 12.5 (9)

x = 12.5 (9)

         10

x = 11.25