exam
Maths Puzzle
Numerical Ability
ln(e^-3) =
a. 1
b. -2
c. e^-2
d. There is no numerical solution; this expression cannot be resolved
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exam Other Question
Chris cuts half a rectangle lawn, 40m by 30m, by mowing strips of equal width around the perimeter. Jonah cuts the small rectangle left. How wide a strip does Chris cut so that they share the work equally?
need to solve algebraically
-3 > 7/8x -1
-2 > 7/8x
-16x > 7
x > -7/16