Answer:
4 : 15 is the correct answer.
Explanation:
10+12+8 is 30. 8 cards are yellow so 8/30 simplified is, 4 : 15.
4 : 15
total cars = 10 + 12 + 8 = 30 , then
yellow : total
= 8 : 30 ( divide both parts by 2 )
= 4 : 15 ( in simplest form )
4.5m questions
5.8m answers