exam Maths Puzzle Numerical Ability

In a group of 100 college freshmen, 25 lettered in band, 20 were in the honor society, and 5 lettered in band and were in the honor society. Determine if the events "lettered in b

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exam Other Question

Placing planks at equel length end to end, jewels found that three planks where one foot short of the portch length, while four planks were two feet to long. How long was each plank? Find the inverse of the function f(x)= 4/x+7, what is the range of f(x)?