exam Maths Puzzle Numerical Ability

A hospital staff member mixed a 65% disinfectant solution with a 15% disinfectant solution. How many liters of each were used to make 50 liters of a 37% disinfectant solution?

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exam Other Question
How can 6,6,5,2 using the order of operations become 24? graph line y= -2/3x+4 using ordered pair notation, at least two points of line also state slope, x-intercept, and y-intercept ?