Mathematics, 18.11.2019 21:31 fseftrwer4378
Each light bulb at hotel california is either incandescent or fluorescent. at a certain moment, forty percent of the incandescent bulbs are switched on, and ninety percent of the fluorescent bulbs are switched on. if eighty percent of all the bulbs are switched on at this moment, what percent of the bulbs that are switched on are incandescent? a. 22 (2/9)%b. 16 (2/3)%c. 11 (1/9)%d. 10%e. 5%
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Each light bulb at hotel california is either incandescent or fluorescent. at a certain moment, fort...
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