Answer:
h = r
Step-by-step explanation:
x = (r-h)/y
h + x y = r
x = r/y - h/y
r = h
y ≠ 0
140$
4 hours = 20
28 hours divided by 4 is 7
7 x 20 = 140
x=32
2A on 2A + 3B + 3C = 8 pieces
The probability:
