joeyhd
05.10.2019 •
Mathematics
Adruggist has two mixtures of a certain chemical and water, one containing 10% of the chemical and the other containing 40% of the chemical. how much of each mixture should he use to make 10 ounces that contain 25% of the chemical?
if x is the amount of 10% mixture used, then which expression represents the ounces of chemical contained in it?
Solved
Show answers
More tips
- H Health and Medicine 5 Simple Steps to Quit Smoking for Good...
- C Computers and Internet How to Download Videos from YouTube? Simple Steps to Download Any Content...
- H Health and Medicine What is the Normal Blood Sugar Level in a Healthy Person?...
- S Style and Beauty How to Get Rid of Acne: Scientifically Proven Methods...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- C Computers and Internet How to Delete Your Account on Odnoklassniki...
- H Health and Medicine 10 Simple and Effective Tips on How to Lose Weight in a Week...
- F Food and Cooking What s the Best Rice for Cooking Plov?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics Secrets of NATO: Which Countries are Part of the Alliance?...
Answers on questions: Mathematics
- M Mathematics The population of a town was 47000 in 1950 and 83000 in 2010. assume the rate of population increase is constant. what will the population be in 2015...
- M Mathematics 5x−7=8 ; {1, 2, 3, 4} ? {hurry i will give you brainliest } x = 1 x = 2 x = 3 x = 4...
- M Mathematics Jupiter has 11 more than 4 times as many moons has neptune. neptune has 14 moons. let j equal the number of moons jupiter has....
- M Mathematics How do you know what steps to do in the system of equations in math 8...
- M Mathematics Sam used 6 6 loaves of elf bread on an 8 8 day hiking trip. he wants to know how many loaves of elf bread ( b ) (b) he should pack for a 1 2 12 day hiking trip if he...
- M Mathematics Find the percent of decrease. round your answer to the nearest tenth of a percent where necessary. 5. 57 to 19 a. 38% b. 66.7% c. 200% d. 20% find the percent of markup....
- M Mathematics Write an equation in slope-intercept a slope of 0 and passes through (0,-3)...
- M Mathematics What is the value of x+y ? plz asap...
- M Mathematics Need some pre-cal . will mark best answer as brainliest. 5 and 6 are also possible answers, they just didn’t fit in the photo....
- M Mathematics Answer question 2 and 3 for 25 points and...
Ответ:
(.1x+.4(10-x))/10=.25
(.1x+4-.4x)/10=.25
4-.3x=2.5
-.3x=-1.5
x=5, and since y=10-x, y=5
So 5oz of 10% is mixed with 5oz of 40% to make 10oz of 25% solution.
check
(.1(5)+.4(5))/10=.25
(.5+2)/10=.25
2.5/10=.25
.25=.25
Ответ:
add
Step-by-step explanation: