If a jar contains 4 red marbles, 6 blue marbles, 3 yellow marbles, and 7 green marbles, what is the probably that a randomly selected marble is red or yellow

35% chance

Step-by-step explanation:

add up total number of marbles 4+6+3+7= 20

add up number of red and yellow marbles 4+3= 7

there is a 7 out of 20 chance that a red or yellow marble is chosen or in other words 35% chance

7:20

Step-by-step explanation:

there's 20 marbles in the jar

4 are red and 3 are yellow

4 + 3 = 7

so 7:20

i would say c is the best answer, hope it's right!

good luck! =)

cutie~