Answer is 42. Don't listen to the guy that said it's 168. I did the test and it marked it wrong.
It looks like it should be the first one and the third one
Answer:
3:9
Step-by-step explanation:
since there are 9 marbles in total it must be x to 9
the only solution available, which shows this is 3:9
Answer:
? = 18
Step-by-step explanation: