Answer:
27:18
Step-by-step explanation:
multiply 3:2 by 9
Step-by-step explanation:

The probability of multiple events happening is found by multiplying the probabilities of each event together.

So yes, 1/10 is the answer :)
Answer:
24
Step-by-step explanation:
If she did all 3of them today then you subtract a day from each one then it would look like this
5+4+15=24