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lyudmila [28]
3 years ago
5

if there are two containers of sugar solution, the first is 4% concentration and second is 8% concentration. how much of each sh

ould we combine to get 40 gallons of 5% concentrate solution​
Mathematics
1 answer:
Elina [12.6K]3 years ago
5 0

Answer:

<u>30 gallons solution 4% and 10 gallons solution 8%</u>

Step-by-step explanation:

<h3>x•4%+y•8%=40•5% </h3>

<em><u>4x+8y=40•5 and x+y=40</u></em>

x=40-y

4(40-y)+8y=200

160-4y+8y=200

4y=200-160

4y=40 => y=10 (gallons solution 8%)

=> x=40-10=30 (gallons solution 4%)

30 gallons solution 4% and 10 gallons solution 8%

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