Respuesta :
Answer:
OPTION D
Step-by-step explanation:
[tex]\frac{8}{7} =\frac{168}{X}\\8=\frac{168*7}{X} \\\\X=\frac{168*7}{8} \\X=147[/tex]
147 because 8 x 21 =168 which means you have to multiply 7 by 21 which equals 147