Respuesta :

The butterfly method

12x10=120
3c=3c

120/3 = 40

Answer:

13.)

[tex] \frac{12}{40} = \frac{3}{10} [/tex]

c = 40

14.)

[tex] \frac{5}{12} = \frac{35}{84} [/tex]

b=84

15.)

[tex] \frac{44}{32} = \frac{11}{8} [/tex]

a=44

16.)

[tex] \frac{6}{15} = \frac{2}{5} [/tex]

a=6

17.)

[tex] \frac{12}{54} = \frac{2}{9} [/tex]

c=54

18.)

[tex] \frac{8}{3} = \frac{16}{6} [/tex]

b=6

Hope this helps : )