Melinda paints 7/8 of a wall in 1 1/6 hours. what part of a wall does melinda paint in 1 minute?

1 1/6 hour = 70min
7/8 of wall in 70min
x wall in 1min
 
Proportion:
7/8 - 70
x - 1
Cross multiplication:

7/8 = 70x divide by 70

x = 1/80

In 1 min Melinda will paint 1/80 of a wall.

Hoped this helps Don't forget to rate me brainliest please.

A: 18/15b : 7 - -8 = 15 , 12 - -6 = 18 the y variable always goes over the x variables, c : same thing a