Claire B.
asked 04/25/16
P varies directly with Q and inversely with R, and P = 9 when Q = 3 and R = 4. Find Q when P = 1 and R = 0.5.
A. 1/24 B. 24 C. 1/8 D. 216
Walter B.
answered 04/25/16
Success-Based Tutor Specializing in Your Student
P=kQ÷R
k=P*R÷Q = 9*4÷3 = 12
P = 12*Q÷R
Solving for Q yields Q = P*R÷12 = 1*.5÷12 = .5÷12 = 1/24 or A
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