bandlfasching bandlfasching
  • 22-07-2021
  • Mathematics
contestada

Riley wants to make 100ml of 25% saline but only has access to 12% and 38% saline mixtures. x= 12% y=38%

Respuesta :

loconte loconte
  • 22-07-2021

Answer:

x = 50

y = 50

Step-by-step explanation:

[tex]\begin{bmatrix}x+y=100\\ 0.12x+0.38y=25\end{bmatrix}[/tex]

.12(100-y) + .38y = 25

x = 50

y = 50

Answer Link

Otras preguntas

In which circumstances would the view side by side feature be useful or helpful. A. Creating a table inside a document B. Searching for words with similar me
if the divisor is 30, what is the least 3 digit dividend that will give you a remainder of 8?
the ratio of blue circles to total circles is 4 to 5 there are more than 10 circles describe what this group of circles might look like explain
Which of the following accurately describes the effects of the Thirteenth, Fourteenth, and fifteenth amendments on the lives of southerners? a. these amendment
How did the collapse of communism affect the European Union?
The time it takes a mammal baby to develop before it is born is called the _____ period. 1. germination 2.gestation 3.gastrualation 4. incubation
Enhancing your skill-related fitness abilities will help you
if the divisor is 30, what is the least 3 digit dividend that will give you a remainder of 8?
Which best states a difference between voting in the US and in other countries? In some countries, citizens do not care enough to vote. In some countries, citiz
What is the literary term for the character who is the “opponent” or the “bad guy”? a. protagonist b. stock character c. antagonist d. archetype