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Maths Puzzle
Percentage
how many ounces of pure water must be added to 30 oz of 35% salt solution to make a 15% salt solution?
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Book Other Question
Solve the system using substitution.
2x + 5y = -6
4x + y = -12
Please explain how to solve this.
Thank you
The first angle of a triangle is 5 degrees less than the measure of the second angle. The third angle is 11 degrees more than the measure of the second angle. Find the measure of t