Answer:
-7xy+4x^2-8 and y+1-8x^y
Step-by-step explanation:
-250
I don't know for sure but I hope it's correct.
6
75% of 24=18
24-18=6
4 people x 45 minutes = 180 minutes total to paint 5 walls
180/5 = 36 minutes of man work per wall
36 * 4 walls = 144 total minutes
144/6 people = 24 minutes total
