exam
Maths Puzzle
Numerical Ability
600?(x+20)=(600-x)/x
600/(x=20)=600/x-1
find speed of vechicle
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exam Other Question
For this one I got:
(-4 + -1s)(8 + -1s)
The problem is as follows:
Factor each of the following trinomials completely
s^2 - 4s - 32
How off am I?
5x-2y=-5
y-5x=3