(X+2)(3x+1) !!!!!!!!!!!!!!!!!!
Distribute, 6x-21 +5 = -19, Combine like terms, 6x- 16=-19, add, 6x= -3, divide, x=-2
Y=29
x+y+78=180
x+29+78=180
x=180-78-29
x=73
z=180-73
z=107
x=73 degrees
y=28 degrees
z=107 degrees
The answer is 1.5 months
explanation:
5/2 = 2.5
15/4 = 3.75
2.5 per month
3.75 per x months
x = (3.75×1)/2.5
x = 3.75/2.5
x = 3/2 = 1.5 months