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.
