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Maths Puzzle
Numerical Ability
the gym is 21 years newer than the auditorium. the gym is also 1/4 as old as the auditorium. how old is each building?
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in my algebra 2 class, we got an extra credit question: 1 over (the cubed root of 2, minus 1). we need to simplify it and/or solve it. please help
the length of a rectangle is 2 meters more than its width. The area of the rectangle is 80 square meters. What is the length and width of the rectangle?