<span>the answer is b. V = 396 - 5x; $341</span>
Answer:
28%
Step-by-step explanation:
total percent is 100%
we could rewrite the equation as:
48% + 24% + f = 100%
72% + f = 100%(subtract 72 on both side)
f = 28%
Answer:
39
Step-by-step explanation:
3x + 12 = 6x - 15
6x - 3x = 12 + 15
3x = 27
x = 9
KJ = KH = KG = 3x + 12
KG = 3.(9) + 12
KG = 27 + 12
KG = 39
I hope I helped you.
We do as follows:
let x = amount of 45% solution
y = amount of 30% solution
overall balance => x + y = 450
acid balance => .45x + .30y = .40(450)
Solving simultaneously, we will have:
x = 300 mL
y = 150 mL
This is assuming that partial molar properties does not affect the volume greatly. Hope this answers the question. Have a nice day.
