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

What happens to a person if he wears a lot of clothes in hot weather?
Two angles are supplementary. One angle is 155º. What is the measure of the other angle?
how does climate affect the civilization
NO LINKS!!!!!!!!! please solve it and explain it.
do we have choices concerning fairness and justice
What is the energy source for producers, consumers, and decomposers?
Which statement is true?
Compute the taxable income for 2020 for Aiden on the basis of the following information. Aiden is married but has not seen or heard from his wife since 2018. Sa
A city has the population of 210,000 people. Suppose that each year the population grows by 7.5%. What will the population be after 13 years?
What effect did LaSalle's exploration of Texas have on the Spaniards? A Spain decided to give up all claim to the region B Spain stepped up her efforts to settl