exam
Maths Puzzle
Numerical Ability
can some1 help me?
pi(5)^2
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exam Other Question
How many ounces of pure water must be added to 80 oz of a 9% salt solution to make a 6% salt solution?
A.
120 oz
B.
60 oz
C.
50 oz
D.
40 oz
Solve the system. Enter the solution coordinates.
x+y=4
-x+y=2