exam
Maths Puzzle
Numerical Ability
In triangle CDE, CD=3y, DE=30, and CE=45. Determine the range possible values for y
I think the answer is 5 < y < 25
is this correct?
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exam Other Question
x-y=5; x+y=3
Solve by addition method. Indicate whether independent, inconsistent or dependent.
-3x + y =3
2x - 3y = 5