Answer:
D
Step-by-step explanation:
because youe last number is 90
Step-by-step explanation:
0.6x- 1.2x = 6
-0.6x = 6
x = 6/0.6
x = -10
Answer:
6 plus or minus square root of 37/2
Step-by-step explanation:
Is the quadratic formula allowed or no?
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