janetcoronado15 janetcoronado15
  • 20-07-2021
  • Mathematics
contestada

How many liters of a 10% alcohol solution must be mixed with 40 liters of a 50% alcohol
solution to obtain a 40% alcohol solution?

Respuesta :

loconte loconte
  • 20-07-2021

Answer:

13 [tex]\frac{1}{3}[/tex]

Step-by-step explanation:

[tex]20+.1x=.4\left(40+x\right)[/tex]

x=40/3 = 13 [tex]\frac{1}{3}[/tex]

Answer Link

Otras preguntas

which of the following is a internal event? A an indoor company B store sale C a company picnic for employess D a listed time cupon
What is a ectopic pregnancy
Methods that FNB can use to compete with other bankes in SA
Which fossil type is an open space left inside a rock by an organism that has decayed
Dickinson’s use of figurative language in this poem expresses the idea that
Determine the number of atoms in 4.56x10-2g Na
There are three types of plate boundaries. Which choice is NOT a type of plate boundary? A) convergent B) divergent C) thrust D) transform
A card was selected at random from a standard deck of cards. The suit of the card was recorded, and then the card was put back in the deck. The table shows the
which is greater 66 yards or 200 feet
3. Given the following functions f(x) and g(x), solve f[g(7)] and select the correct answer below: f(x) = 4x + 21 g(x) = 2x + 2 16 49 85 784