U can easily put this through a calculator, but it’s 24 :)
Answer:
10/21
Step-by-step explanation:
After the first balloon is gone, there is only 21 balloons left with 10 being yellow. Therefore, the is a 10/21 probability that it is yellow.
There are no factors of 20 that add up to 7.
Factors of 20 are:
1*20
2*10
4*5
Answer:
Workup in photo below.
Step-by-step explanation:
Good luck.