The weather forecaster says that the probability of rain on Saturday is 20% and the probability of rain on Sunday is 30% (a) Can you determine the probability of rain over the weekend (Saturday or Sunday)? Explain.
(b) If it rains on Saturday, the probability of rain on Sunday is 60%. Can you now determine the probability of rain over the weekend?

75 ballons in 3 hours

Step-by-step explanation:

We know the ratio min to balloon, 12:5.

A common factor of 60 is 12 and 5. We know that 5 balloons will come out of the 12 interval mark. So each hour, we get 25 balloons per hour. Multiply 3 on both sides of the equation to get the total amount of balloons.

So, 75 balloons is how many she can blow up in 3 hours.