You cannot divide any number by zero since it is meaningless to say that we are dividing a number or object in zero groups or in 0 size parts
The doctor will prescribe her about 90mg
Answer:
0.468 or 65/139, 46.8%
Step-by-step explanation:
P(green) = 45 / 139
P(yellow) = 20 / 139
Add them together for either one:
65 / 139 = 0.468 = 46.8%
X = 36/5
Or x = 7.2
21 + x = 6x - 15
21 = 6x - 15 - x
21 = 5x - 15
21 + 15 = 5x
36 = 5x
36/5 = x