Problem Solving (PS) | In a group of 20 tourists, 12 brought cameras. If one half of the tour

In a group of 20 tourists, 12 brought cameras. If one half of the tourists with cameras brought disposable cameras, what percent of all the tourists brought disposable cameras?

A. 12%
B. 20%
C. 30%
D. 40%
E. 60%

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