How many liters of 20% alcohol solution must be mixed with 60 liters of a 90% solution to get a 70% solution
1 answer:
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Answer:
Solving the inequality we get x>-9.33
The graph is shown in figure attached.
Step-by-step explanation:
We need to solve the inequality:
Solving:
Switching the sides , reversing the inequality and Multiply 3 with terms inside the bracket
Subtract 6 from both sides
Divide both sides by -3 and inequality will be reversed
Solving the inequality we get x>-9.33
The graph is shown in figure attached.
