PQ peependicular to PS
Thus angle QPS = 90⁰
7x - 9 + 4x + 22 = 90⁰
11x = 77
x = 7
Thus angle QPR = 7(7) - 9 = 40⁰
There are 4,000 books in the towns library. Of these 2,400 are fiction. To find the percent of books that are fiction. First set
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