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In Cliff’s impressive rock collection, there are half as many igneous rocks as sedimentary rocks. Of the igneous rocks, \(\dfrac23\) are shiny and the rest are matte, while \(\dfrac15\) of the sedimentary rocks are shiny. If there are \(30\) shiny igneous rocks, how many total rocks does Cliff have?
A. 30
B. 45
C. 60
D. 90
E. 135
Answer: E
Source: Veritas Prep
A. 30
B. 45
C. 60
D. 90
E. 135
Answer: E
Source: Veritas Prep
