Question

Jose create a math game for a school project the game cards include eight triangle cards 5 rectangle cards and 5 circle cards what is the probability of drawing a game card that is not a quadrilateral

Answer 1

The probability is 13/18
18 cards in total
8 three-sided cards
5 four-sided cards
5 circular cards
13 cards aren't quadrilaterals so that's your numerator
The total number of cards is 18 so it's 13/18