Respuesta :

Answer:

A. 7/20

Step-by-step explanation:

Simplify the following:

(-7)/10×(-1)/2

(-7)/10×(-1)/2 = (-7 (-1))/(10×2):

(-7 (-1))/(10×2)

10×2 = 20:

(-7 (-1))/20

-7 (-1) = 7:

Answer: 7/20