a + b = 20 -------> a = 20 - b
18a + 10b = 20(15)
18(20 - b) + 10b = 300
360 - 18b + 10b = 300
8b = 60
b = 7.5
a = 20 - 7.5 = 12.5
Boom.
Brigette A.
asked • 02/21/17Math word problem
Steady state antifreeze is 18% alcohol and even flow is 10%alcohol. How many liters of each should be mixed to get 20L of a mixture that is 15% alcohol?
Follow
•
2
Add comment
More
Report
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
