2 years ago

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

Mathematics

1 answer:

inn [45]2 years ago

5 0

Answer:

13 $\frac{1}{3}$

Step-by-step explanation:

$20+.1x=.4\left(40+x\right)$

x=40/3 = 13 $\frac{1}{3}$

You might be interested in

WILL MARK BRAINLIEST PLS HELP ITS DUE

Shalnov [3]

Step-by-step explanation:

The volume of cement in cubic feet that the crew needs to fill the patio is 55 cubic feet.

I am pretty sure

4 0

2 years ago

Read 2 more answers

What expression can be used to convert 80 US dollars to australian dollars

Lana71 [14]

1 US dollar =1.31 Australian dollar
80 US dollar = x dollar
CrossMultiply
X = 140.8 dollar

6 0

3 years ago

Ten cards are numbered 1 through 10 are all mixed together and one card is drawn. Find the probability of selecting a 3.

garik1379 [7]

the probability of selecting a 3 is 1/10

3 0

2 years ago

Please Help this is the only one i dont know!!

Stella [2.4K]

Answer:

$\large\boxed{x=\dfrac{23}{33}}$

Step-by-step explanation:

$\text{Let}\ x=0.\overline{69}\\\\x=0.696969...\qquad\text{multiply both sides by 100}\\\\100x=69.696969...\qquad\text{subtract}\ x\ \text{from}\ 100x:\\\\100x-x=69.696969...-0.696969...\\\\99x=69\qquad\text{divide both sides by 99}\\\\x=\dfrac{69}{99}\\\\x=\dfrac{23}{33}$

7 0

2 years ago

What is 1/9 - 2 4/9 - 5/9

Ymorist [56]

1/9-22/9-5/9
-21/9-5/9
-26/9

3 0

2 years ago

Read 2 more answers