Mathematics, 04.09.2019 01:10 desiiraee6265

In an ensemble of gongs, all gongs have a diameter of either ten inches, or twelve inches or fifteen inches. in the collection there are 18 ten inch gongs. half of the gongs in the collection are tiger gongs. of the tiger gongs, there are equal numbers of ten inch, twelve inch and fifteen inch gongs. half of the twelve inch gongs are not tiger gongs, and half of all gongs are fifteen inches in diameter. how many gongs are there in the collection? a. 18b. 54c. 72d. 90e. 108

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In an ensemble of gongs, all gongs have a diameter of either ten inches, or twelve inches or fifteen...