exam
Maths Puzzle
Numerical Ability
The perimeter of a rectangle is to be no greater than 300 in., and the length must be 125 in. Find the maximum width of the rectangle.
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exam Other Question
The equation h=-16tē + 112t gives the height of an arrow, shot upward from the ground with an initial velocity of 112 ft/s, where t is the time after the arrow leaves the ground. Find the time it takes for the arrow to reach a height of 180 ft.
v(v^2-1)+12w^2-(3v+w)(4w-v)